Isntree Chestnut AHA 8% Clear Essence

Isntree

Chestnut AHA 8% Clear Essence

face essence

Added Last edited

Fit by skin type

General, ingredient-based — not your personalized match.

Dry
54%
Combination (dry)
54%
Balanced
84%
Combination (oily)
86%
Oily
86%

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26
Ingredients
7
Benefits
3
Actives
Find Dupes

The Isntree Chestnut AHA 8% Clear Essence is an essence helps to unclog pores with 8% AHA. Glycolic acid (4%) and lactic acid (4%) work together with newly added Gongju Chestnut Shell extract to sweep away dead skin cells, revealing a smoother and brighter complexion. Glycolic acid has the smallest molecular size of any AHA, meaning it can penetrate deeply and quickly, while lactic acid is more gentle and has hydrating properties. Together, they’re the perfect pair. The formula also contains soothing centella asiatica and hydrating hyaluronic acid.

Key Insights

Benefits

7
Anti-Aging
Dark Spot Fading
Evens Skin Tone
Hydration
Oil Control
Smooths Bumpy Skin
Soothing

Active Ingredients

3
AHA Hyaluronic acid Vitamin B5 (panthenol)

About Chestnut AHA 8% Clear Essence

Overview

Chestnut AHA 8% Clear Essence is a lightweight essence from Isntree. The formula is built mainly around hydration and brightening and tone. The ingredient list runs to 26 ingredients, each broken down in full below.

Texture and finish

By its ingredient list the formula reads as light: water and humectants lead, with emollients kept lower in the order. Hydration is handled by Glycerin, Butylene Glycol and Sodium Hyaluronate, humectants that pull water into the upper layers of skin rather than sealing it there.

What the formula does

Hydration: High. Ingredients that pull and hold water in the upper layers of skin, and here that comes from Glycerin, Butylene Glycol, Sodium Hyaluronate and Panthenol.

Brightening: High. Ingredients that act on uneven tone and post-inflammatory marks, and here that comes from Glycyrrhiza Glabra Root Extract, Dipotassium Glycyrrhizate, Lactic Acid and Glycolic Acid.

Cell renewal: Moderate. Retinoids, acids and enzymes that speed surface turnover, and here that comes from Lactic Acid and Glycolic Acid.

Soothing: Moderate. Ingredients aimed at visible redness and reactivity, and here that comes from Calendula Officinalis Flower Extract, Chamomilla Recutita Flower Extract, Asiaticoside and Panthenol.

Who it suits

On richness alone it suits Balanced, Combination (oily) and Oily skin best, and is the least natural fit for Dry and Combination (dry) skin. Nothing in the list is flagged as a common irritant, which is a reasonable starting point for reactive skin — though a patch test is still the only way to know.

What it does not target

The formula contributes little or nothing on oil control and firmness signalling. That is not a fault — most products are not meant to do everything — but if one of those is your priority, this is not the product that will address it.

What is not in it

Reading the full list, the formula is fragrance-free, no drying alcohol, paraben-free, silicone-free, microplastic-free and sulfate-free. Those claims come from the ingredient list itself, not from the packaging. It does contain essential oils, worth knowing if your skin reacts to any of them.

Where it fits in a routine

It can be used morning and evening. In a routine it goes after cleansing, before serums. Apply to slightly damp skin so the humectants have water to hold on to.

This summary is generated from the product's ingredient list. It is not a review, it is not the brand's own marketing claims, and it does not replace advice from a dermatologist.

Pros and cons

Drawn purely from the ingredient list

Pros

  • No fragrance or declared allergens
  • No drying alcohol
  • Silicone-free
  • No microplastics
  • Strong humectant content for hydration
  • No common irritants flagged in the list

Things to know

  • Contains essential oils, a common source of reactivity
  • 2 ingredients could feed malassezia (fungal acne)

Which skin types it suits

Scored on how rich or light the formula reads from its INCI order.

Suitable for

  • Balanced skin
  • Combination (oily) skin
  • Oily skin

Less suitable for

  • Dry skin
  • Combination (dry) skin

Sensitive skin

No ingredient in this formula carries a common-irritant flag, making it a reasonable option for reactive skin. A patch test is still recommended, as individual skin reactivity varies.

Skin concerns

Based on the curated benefits documented for this product's ingredients.

Helps with

  • Anti-Aging 11 ingredients

    Boosts collagen and cell turnover to reduce fine lines and wrinkles

  • Soothing 11 ingredients

    Calms redness, irritation, and inflammation for sensitive skin

  • Hydration 9 ingredients

    Attracts and locks in moisture to keep skin plump and dewy

  • Evens Skin Tone 2 ingredients

    Brightens and balances complexion for a more uniform appearance

  • Dark Spot Fading 1 ingredient

    Fades hyperpigmentation and evens out dark spots over time

  • Oil Control 1 ingredient

    Regulates sebum production to reduce shine and greasiness

  • Smooths Bumpy Skin 1 ingredient

    Refines texture by gently exfoliating rough, uneven patches

Does not target

Anti-Acne Blackhead Reducing Pore Minimizer

None of the ingredients in this formula are associated with these benefits. This is not unusual, as most products are designed to target a limited number of concerns.

Key ingredients

The actives, UV filters and benefit-carrying ingredients in this formula, in the order they are listed.

1st on the list, which puts it at an estimated 30–80% of the formula.

Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water

Hydration

2nd on the list, which puts it at an estimated 5–20% of the formula.

Propanoic acid, 2-hydroxy-

Anti-Aging Evens Skin Tone Hydration

3rd on the list, which puts it at an estimated 5–20% of the formula.

Acetic acid, hydroxy-

Anti-Aging Evens Skin Tone Smooths Bumpy Skin

4th on the list, which puts it at an estimated 2–10% of the formula.

Glycerine ;Glycerol (INN); Glycerol (RIFM); Glycerolum (EP); Glycyl Alcohol; 1,2,3-Propanetriol; 1,2,3-Trihydroxypropane

Hydration Anti-Aging

5th on the list, which puts it at an estimated 2–10% of the formula.

Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)

Hydration

8th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Camellia Sinensis Leaf Extract is an extract of the leaves of the Tea, Camellia sinensis, Theaceae

Anti-Aging Soothing

9th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Aloe Barbadensis Leaf Extract is an extract of the leaves of the aloe, Aloe barbadensis, Liliaceae

Soothing Hydration

10th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Calendula Officinalis Flower Extract is an extract obrained from the flowers of the Calendula, Calendula officinalis L., Compositae

Anti-Aging Soothing

11th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Chamomilla Recutita Flower Extract is an extract of the flowerheads of the matricaria, Chamomilla recutita (L.), Compositae

Anti-Aging Soothing

13th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Portulaca Oleracea Extract is an extract of the whole plant of the Purselane, Portulaca oleracea L., Portulacaceae

Anti-Aging Soothing Hydration

15th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Aloe Barbadensis Leaf Juice Powder is the powder obtained from the dried juice leaves of the aloe, Aloe barbadensis, Liliaceae

Anti-Aging
Sodium Hyaluronate Hyaluronic acid

16th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Hyaluronic acid, sodium, salt

Hydration Anti-Aging Soothing

Formula analysis

Each axis is scored from the ingredients present and how high up the list they sit.

Hydration High

Ingredients that pull and hold water in the upper layers of skin

Barrier support Low

Lipids and repair signals that support skin barrier integrity

Antioxidant support Low

Ingredients that mop up free radicals from UV and pollution

Oil control None

Ingredients that moderate sebum or absorb shine

Brightening High

Ingredients that act on uneven tone and post-inflammatory marks

Soothing Moderate

Ingredients aimed at visible redness and reactivity

Cell renewal Moderate

Retinoids, acids and enzymes that speed surface turnover

Firmness signalling None

Peptides and growth factors that signal for collagen support

Active and supporting ingredients

"Active" here means an ingredient carrying a recorded active type or a recognised UV filter.

Active ingredients (4)

Supporting ingredients (22)

Solvents, emollients, texture agents and preservatives — the formula that carries the actives.

Water Glycerin Butylene Glycol Potassium Hydroxide Glycyrrhiza Glabra Root Extract Camellia Sinensis Leaf Extract Aloe Barbadensis Leaf Extract Calendula Officinalis Flower Extract Chamomilla Recutita Flower Extract Rosmarinus Officinalis Leaf Extract Portulaca Oleracea Extract Lavandula Angustifolia Extract Aloe Barbadensis Leaf Juice Powder Glyceryl Caprylate Asiaticoside Dextrin Madecassoside Allantoin 1,2-hexanediol Dipotassium Glycyrrhizate Glycereth-25 PCA Isostearate Hydroxyethylcellulose

What is and is not in it

Read from the full ingredient list. A brand's own claim may differ.

Free from

  • Fragrance-free
  • No drying alcohol
  • Paraben-free
  • Silicone-free
  • Microplastic-free
  • Sulfate-free
  • Dye-free
  • Oil-free
  • No animal-derived ingredients

Contains

  • Essential oils

    Lavandula Angustifolia Extract

What to layer it with

Judged by the same curated rules our routine checker uses. It reads the ingredients, not the label.

Compatible with

  • Azelaic acid
  • Copper peptides
  • Bakuchiol
  • Niacinamide
  • Hyaluronic acid
  • Ceramides
  • Signal peptides
  • Panthenol
  • Sunscreen

Use with caution

  • Retinoids (retinol, retinal)

    Best kept to separate routines — one in the morning, one at night, or on alternate days.

  • Vitamin C (L-ascorbic acid)

    Can be layered, but the combination raises the irritation risk. Go slowly.

  • AHAs (glycolic, lactic)

    Can be layered, but the combination raises the irritation risk. Go slowly.

  • BHA (salicylic acid)

    Can be layered, but the combination raises the irritation risk. Go slowly.

  • PHAs (gluconolactone)

    Can be layered, but the combination raises the irritation risk. Go slowly.

  • Benzoyl peroxide

    Can be layered, but the combination raises the irritation risk. Go slowly.

Where it fits in a routine

Morning Evening
  1. Cleanse
  2. Toning
  3. Treat
  4. Moisturise
  5. Protect

This product is the "Toning" step.

  • Apply to slightly damp skin so the humectants have water to hold on to.

Safety and suitability

Flags to check, not verdicts. None of this is medical advice — if you are pregnant, breastfeeding or treating a skin condition, ask a doctor.

Pregnancy and breastfeeding
Nothing in this formula is on the standard pregnancy-caution list. That is not clearance — ask your doctor about anything you use daily.
Fungal acne (malassezia)
2 ingredients could feed malassezia: Glyceryl Caprylate, Glycereth-25 PCA Isostearate. That is about the yeast's food supply, not a prediction that you will break out.
Sensitive and reactive skin
No ingredient in this formula carries a common-irritant flag, making it a reasonable option for reactive skin. A patch test is still recommended, as individual skin reactivity varies.

Ingredients by function

Most ingredients do more than one job, so these counts add up to more than the 26 ingredients on the label.

9
Plant extract

Botanical material, usually for antioxidants or scent

7
Humectant

Draws water into the upper layers of skin

4
Active

Changes how skin behaves rather than how it feels

4
Emollient

Softens and smooths by filling gaps between skin cells

4
Occlusive

Forms a film that slows water loss

4
Solvent

Dissolves and carries everything else

4
Texture agent

Sets the thickness, spread and stability of the formula

3
Antioxidant

Neutralises free radicals from UV and pollution

3
pH adjuster

Sets the acidity the formula needs to work

2
Soothing

Calms visible redness and irritation

2
Preservative

Keeps the product free of microbial growth

2
Surfactant

Lifts oil and dirt, or holds oil and water together

1
UV filter

Absorbs or scatters ultraviolet light

Ingredient breakdown

Every ingredient on the label, in order, with what it does and roughly how much of it is likely to be there.

1 Water Solvent
Estimated level
30–80%
Confidence
Moderate — INCI order above the 1% line
Roles
Solvent

1st on the list, which puts it at an estimated 30–80% of the formula.

Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water

Hydration
3 scientific references
  • Skin Research and Technology, May 2015, pages 131-136
  • Skin Pharmacology and Applied Skin Physiology, November-December 1999, pages 344-351
  • Journal of Cosmetic Science, September-October 1993, pages 249-262
2 Lactic Acid Humectant
Estimated level
5–20%
Confidence
Moderate — INCI order above the 1% line
Roles
Humectant, Active, pH adjuster

2nd on the list, which puts it at an estimated 5–20% of the formula.

Propanoic acid, 2-hydroxy-

Anti-Aging Evens Skin Tone Hydration
9 scientific references
  • International Journal of Cosmetic Science, April 2020, pages 116-126
  • International Journal of Dermatology, March 2019, ePublication
  • Clinical, Cosmetic, and Investigational Dermatology, October 2018, pages 491-497
  • International Journal of Dermatology, September 2018, ePublication
  • Molecules, April 2018, ePublication
  • Journal of the American Dental Association, April 2016, pages 255-263
  • Cutis, January 2016, pages E9-E11
  • Clinical, Cosmetic, and Investigational Dermatology, November 2010, pages 135-142
  • The Journal of Dermatology, January 2006, pages 16-22
Estimated level
5–20%
Confidence
Moderate — INCI order above the 1% line
Roles
Active, pH adjuster

3rd on the list, which puts it at an estimated 5–20% of the formula.

Acetic acid, hydroxy-

Anti-Aging Evens Skin Tone Smooths Bumpy Skin
5 scientific references
  • Molecules, April 2018, 23(4), ePublication
  • DNA Cell Biology, February 2017, pages 177-187
  • Journal of Clinical and Aesthetic Dermatology, October 2015, pages 21-26
  • BioMed Research International, 2015, Volume 2015
  • Dermatology Research and Practice, February 2015, Volume 2015
4 Glycerin Humectant
Estimated level
2–10%
Confidence
Moderate — INCI order above the 1% line
Roles
Humectant, Occlusive, Texture agent, Solvent

4th on the list, which puts it at an estimated 2–10% of the formula.

Glycerine ;Glycerol (INN); Glycerol (RIFM); Glycerolum (EP); Glycyl Alcohol; 1,2,3-Propanetriol; 1,2,3-Trihydroxypropane

Hydration Anti-Aging
6 scientific references
  • Journal of Pharmaceutical Investigation, March 2021, pages 223-231
  • International Journal of Toxicology, November/December 2019, Volume 38, Supplement 3, pages 6S-22S
  • International Journal of Cosmetic Science, August 2016, ePublication
  • British Journal of Dermatology, July 2008, pages 23-34
  • Journal of Cosmetic Dermatology, June 2007, pages 75-82
  • Proceedings of the National Academy of Sciences, June 2003, pages 7, 360-7, 365
5 Butylene Glycol Humectant
Estimated level
2–10%
Confidence
Moderate — INCI order above the 1% line
Roles
Humectant, Texture agent, Solvent

5th on the list, which puts it at an estimated 2–10% of the formula.

Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)

Hydration
5 scientific references
  • CosmeticsInfoorg, Accessed March 2021, ePublication
  • US Food and Drug Administration Code of Federal Regulations</em>, Accessed March 2021, ePublication
  • International Journal of Toxicology, May 2011, pages 5S-16S
  • Skin Research and Technology, November 2007, pages 417-24
  • Journal of the American College of Toxicology, September 1985, pages 223-248
6 Potassium Hydroxide pH adjuster
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
pH adjuster

6th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Potassium hydroxide

Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Emollient, Soothing, Plant extract

7th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Glycyrrhiza Glabra Root Extract is an extract of the roots of the Licorice, Glycyrrhiza glabra L., Leguminosae

Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
UV filter, Humectant, Emollient, Occlusive, Antioxidant, Plant extract, Preservative

8th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Camellia Sinensis Leaf Extract is an extract of the leaves of the Tea, Camellia sinensis, Theaceae

Anti-Aging Soothing
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Humectant, Emollient, Plant extract

9th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Aloe Barbadensis Leaf Extract is an extract of the leaves of the aloe, Aloe barbadensis, Liliaceae

Soothing Hydration
8 scientific references
  • Cosmetics, November 2021, pages 1-24
  • https://wwwmdpicom/2079-9284/8/4/106/htm
  • World Academy of Science, Engineering and Technology, 2011, pages 610-612
  • https://wwwdesertharvestcom/physicians/documents/Antifungal%20and%20Antioxidant%20Activitiespdf
  • International Journal of Biological & Medical Research, 2011, pages 466-471
  • https://citeseerxistpsuedu/viewdoc/download?doi=10113024710&rep=rep1&type=pdf ]
  • International Journal of Toxicology, 2007, pages 1-50
  • https://onlinepersonalcarecouncilorg/ctfa-static/online/lists/cir-pdfs/PRS274pdf
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Plant extract

10th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Calendula Officinalis Flower Extract is an extract obrained from the flowers of the Calendula, Calendula officinalis L., Compositae

Anti-Aging Soothing
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Plant extract

11th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Chamomilla Recutita Flower Extract is an extract of the flowerheads of the matricaria, Chamomilla recutita (L.), Compositae

Anti-Aging Soothing
8 scientific references
  • 5 Super Anti-Aging Antioxidants Your Skin Needs
  • How to Keep Your Neck & Chest Looking Young
  • Acne & Aging Skin
  • How to Diminish Uneven Skin Tone and Get Your Glow Back
  • What Are Peptides and What Do They Do for Skin?
  • The Truth About Firming Creams
  • Top 5 Reasons to Add Antioxidants to Your Skin Care Routine
  • Anti-Aging Superstars
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Plant extract, Preservative

12th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Rosmarinus Officinalis Leaf Extract is an extract of the leaves of the Rosemary, Rosmarinus officinalis L., Lamiaceae

Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Plant extract

13th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Portulaca Oleracea Extract is an extract of the whole plant of the Purselane, Portulaca oleracea L., Portulacaceae

Anti-Aging Soothing Hydration
6 scientific references
  • Food Chemistry, August 2019, pages 239-245
  • Journal of Pharmacopuncture, March 2019, pages 7-15
  • Antioxidants, August 2017, pages 1-9
  • American Journal of Translational Research, May 2016, pages 2, 138-2, 148
  • BioMed Research International, January 2015, pages 1-11
  • Journal of Ethnopharmacology, July 2001, pages 171–176; and December 2000, pages 445-451
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Plant extract

14th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Lavandula Angustifolia Extract is the extract of the whole plant of the Lavender, Lavandula angustifolia, Labiatae

Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Plant extract

15th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Aloe Barbadensis Leaf Juice Powder is the powder obtained from the dried juice leaves of the aloe, Aloe barbadensis, Liliaceae

Anti-Aging
8 scientific references
  • 5 Super Anti-Aging Antioxidants Your Skin Needs
  • How to Keep Your Neck & Chest Looking Young
  • Acne & Aging Skin
  • How to Diminish Uneven Skin Tone and Get Your Glow Back
  • What Are Peptides and What Do They Do for Skin?
  • The Truth About Firming Creams
  • Top 5 Reasons to Add Antioxidants to Your Skin Care Routine
  • Anti-Aging Superstars
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Humectant, Active

16th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Hyaluronic acid, sodium, salt

Hydration Anti-Aging Soothing
5 scientific references
  • Der Hautarzt; Zeitschrift fur Dermatologie, Venerologie, und Verwandte Gebiete, December 2017, pages 987-993
  • Journal of Cosmetic Dermatology, July 2014, pages 277-287
  • Journal of Clinical and Aesthetic Dermatology, October 2012, pages 20-23
  • DermatoEndocrinology, July-December 2012, pages 253-258
  • Journal of Drugs in Dermatology, September 2011, pages 990-1000
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Emollient, Surfactant

17th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Octanoic acid, monoester with glycerol

Hydration
18 Asiaticoside Antioxidant
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Antioxidant

18th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Urs-12-en-28-oic acid, 2,3,23-trihydroxy-, O-6-deoxy-alpha-L-mannopyranosyl-(1->4)-O-beta-D-glucopyranosyl-(1->6)-beta-D-glucopyranosyl ester (2alpha, 3beta, 4alpha)-

Anti-Aging Soothing
19 Dextrin Texture agent
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Texture agent

19th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Dextrin

Oil Control
8 scientific references
  • Oil-Absorbing Ingredients
  • Help for Oily Skin
  • Salicylic Acid for Skin
  • How BHA Exfoliants Work
  • Which BHA Exfoliant is Right for Me?
  • Niacinamide Benefits: What Does Niacinamide Do for Skin?
  • The Best Toners for Oily Skin
  • The Best Moisturizers for Oily, Acne-Prone Skin
20 Panthenol Active
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Active

20th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Butanamide, 2,4-dihydroxy-N-(3-hydroxypropyl)-3,3-dimethyl-, (2R)-; dl-Panthenol

Hydration Soothing
7 scientific references
  • The Linus Pauling Institute, Oregon State University, Accessed April 2021, ePublication
  • International Journal of Cosmetic Science, December 2019, pages 534-547
  • Journal of Cosmetic Dermatology, January 2019, pages 346-354
  • Cosmetic Ingredient Review, March 2018, pages 1-51
  • The Journal of Dermatological Treatment, August 2017, pages 173-180
  • Journal of Cosmetic Science, August 2011, pages 361-370
  • American Journal of Clinical Dermatology, Volume 3, 2002, pages 427-433
21 Madecassoside Antioxidant
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Antioxidant

21st on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

O-6-Deoxy-α-L-mannopyranosyl-(1→4)-O-β-D-glucopyranosyl-(1→6)-β-D-glucopyranosyl (2α,3β,4α,6β)-2,3,6,23-tetrahydroxyurs-12-en-28-oate

Anti-Aging Soothing
22 Allantoin Occlusive
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Occlusive, Soothing

22nd on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Urea, (2,5-dioxo-4-imidazolidinyl)-

Soothing
8 scientific references
  • Chemistry Series, March 2020, pages 7-21
  • Molecules, June 2019, pages 1-33
  • European Journal of Pharmacology, February 2018, pages 68-78
  • Journal of the American Academy of Dermatology, June 2017, Volume 76, Issue 2, Supplement 1
  • Pharmacognosy Review, Volume 5, July-December 2011
  • International Journal of Toxicology, May 2010, Supplement, pages 84S-97S
  • Journal of Occupational Medicine and Toxicology, October 2008, ePublication
  • https://wwwaccessdatafdagov/scripts/cdrh/cfdocs/cfcfr/CFRSearchcfm?CFRPart=347&showFR=1
23 1,2-hexanediol Solvent
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Solvent

23rd on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Humectant

24th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

.alpha.-d-Glucopyranosiduronic acid, (3.beta.,20.beta.)-20-carboxy-11-oxo-30-norolean-12-en-3-yl 2-O-.beta.-d-glucopyranuronosyl-, dipotassium salt

Soothing Dark Spot Fading
8 scientific references
  • How to Care for Red, Sensitive Skin
  • 7 Best Products for Sensitive Skin
  • Skincare Tips for Calming Redness
  • Skin-Soothing Ingredients
  • How the Paula’s Choice CALM Collection Works
  • The Best Moisturizers for Sensitive Skin
  • The Best Ways to Treat Acne and Sensitive Skin
  • Skin Care for Extremely Dry, Sensitive Skin
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Surfactant

25th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Poly(oxy-1,2-ethanediyl), .alpha.,.alpha.',.alpha.''-1,2,3-propanetriyltris-.omega.-hydroxy-, esters with 5-oxo-L-proline and isooctadecanoic acid (25 mol EO average molar ratio)

Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Occlusive, Texture agent

26th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Cellulose, 2-hydroxyethyl ether

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Frequently asked questions

What ingredients are in Chestnut AHA 8% Clear Essence?

WATER, LACTIC ACID, GLYCOLIC ACID, GLYCERIN, BUTYLENE GLYCOL, POTASSIUM HYDROXIDE, GLYCYRRHIZA GLABRA ROOT EXTRACT, CAMELLIA SINENSIS LEAF EXTRACT, ALOE BARBADENSIS LEAF EXTRACT, CALENDULA OFFICINALIS FLOWER EXTRACT, CHAMOMILLA RECUTITA FLOWER EXTRACT, ROSMARINUS OFFICINALIS LEAF EXTRACT, PORTULACA OLERACEA EXTRACT, LAVANDULA ANGUSTIFOLIA EXTRACT, ALOE BARBADENSIS LEAF JUICE POWDER, SODIUM HYALURONATE, GLYCERYL CAPRYLATE, ASIATICOSIDE, DEXTRIN, PANTHENOL, MADECASSOSIDE, ALLANTOIN, 1,2-HEXANEDIOL, DIPOTASSIUM GLYCYRRHIZATE, GLYCERETH-25 PCA ISOSTEARATE, HYDROXYETHYLCELLULOSE.

What are the active ingredients in Chestnut AHA 8% Clear Essence?

LACTIC ACID, GLYCOLIC ACID, SODIUM HYALURONATE, PANTHENOL.

How do I use Chestnut AHA 8% Clear Essence?

Take a proper amount using the pump. Gently massage on skin following the skin's texture. Reapply on the dry area.

What skin types is Chestnut AHA 8% Clear Essence good for?

Judged on how rich the formula reads from its ingredient list, it suits Balanced, Combination (oily), Oily skin best. It is the least natural fit for Dry, Combination (dry) skin.

Is Chestnut AHA 8% Clear Essence good for sensitive skin?

No ingredient in this formula carries a common-irritant flag, making it a reasonable option for reactive skin. A patch test is still recommended, as individual skin reactivity varies.

Is Chestnut AHA 8% Clear Essence fungal acne safe?

2 ingredients could feed malassezia: Glyceryl Caprylate, Glycereth-25 PCA Isostearate. That describes the yeast's food supply, not a prediction that they will cause a breakout.

Can I use Chestnut AHA 8% Clear Essence while pregnant?

Nothing in this formula is on the standard pregnancy-caution list. That is not medical clearance — check anything you use daily with your doctor or midwife.

Is Chestnut AHA 8% Clear Essence fragrance free?

Yes. Reading the full ingredient list, this formula is fragrance-free.

Does Chestnut AHA 8% Clear Essence contain alcohol?

No. Reading the full ingredient list, this formula is no drying alcohol.

Is Chestnut AHA 8% Clear Essence silicone free?

Yes. Reading the full ingredient list, this formula is silicone-free.

Does Chestnut AHA 8% Clear Essence contain essential oils?

Yes — it contains Lavandula Angustifolia Extract.

Is Chestnut AHA 8% Clear Essence paraben free?

Yes. Reading the full ingredient list, this formula is paraben-free.

What can I layer with Chestnut AHA 8% Clear Essence?

It layers well with Azelaic acid, Copper peptides, Bakuchiol, Niacinamide, Hyaluronic acid, Ceramides. Take more care combining it with Retinoids (retinol, retinal), Vitamin C (L-ascorbic acid), AHAs (glycolic, lactic), BHA (salicylic acid), PHAs (gluconolactone), Benzoyl peroxide — use them in separate routines or on alternate days.

When should I apply Chestnut AHA 8% Clear Essence?

Use it morning and evening, after cleansing, before serums.

How many ingredients does Chestnut AHA 8% Clear Essence have?

It lists 26 ingredients, of which 4 are recorded as actives.

Who makes Chestnut AHA 8% Clear Essence?

Isntree.

Brand
Isntree

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