Isntree Ultra-Low Molecular Hyaluronic Acid Serum

Isntree

Ultra-Low Molecular Hyaluronic Acid Serum

face serum

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Fit by skin type

General, ingredient-based — not your personalized match.

Dry
66%
Combination (dry)
66%
Balanced
66%
Combination (oily)
96%
Oily
96%

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30
Ingredients
3
Benefits
2
Actives
Find Dupes

The Isntree Ultra-Low Molecular Hyaluronic Acid Serum is a lightweight, vegan serum that delivers deep hydration and soothing benefits to the skin. Infused with 14 types of hyaluronic acid and enriched with deep seawater from Ulleung Island, Korea, this serum ensures long-lasting moisture retention. The formulation includes Glyceryl Glucoside to activate water channels, providing rich hydration, while Beta-Glucan strengthens the moisture barrier. Ideal for all skin types, it leaves the skin feeling deeply hydrated, smooth, and refreshed.

Key Insights

Benefits

3
Anti-Aging
Hydration
Soothing

Active Ingredients

2
Hyaluronic acid Vitamin B5 (panthenol)

Risks

1
Synthetic polymer

About Ultra-Low Molecular Hyaluronic Acid Serum

Overview

Ultra-Low Molecular Hyaluronic Acid Serum is a watery-light serum from Isntree. The formula is built mainly around hydration. The ingredient list runs to 30 ingredients, each broken down in full below.

Texture and finish

By its ingredient list the formula reads as very light — essentially a water-and-humectant base with little emollient weight. With almost no emollient load it should absorb quickly and finish close to matte. Hydration is handled by Methylpropanediol, Glycerin and Butylene Glycol, humectants that pull water into the upper layers of skin rather than sealing it there.

What the formula does

Hydration: Very high. Ingredients that pull and hold water in the upper layers of skin, and here that comes from Methylpropanediol, Glycerin, Butylene Glycol and Betaine.

Soothing: Moderate. Ingredients aimed at visible redness and reactivity, and here that comes from Allantoin, Panthenol, Madecassoside and Beta-glucan.

Who it suits

On richness alone it suits Combination (oily) and Oily skin best, and is the least natural fit for Dry, Combination (dry) and Balanced 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 antioxidant protection, oil control, brightening and tone and cell renewal. 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, essential-oil-free, no drying alcohol, paraben-free, silicone-free and microplastic-free. Those claims come from the ingredient list itself, not from the packaging.

Where it fits in a routine

It can be used morning and evening. In a routine it goes after toner, before moisturiser. Apply to clean, dry skin and give it a minute to absorb before the next layer. Introduce one new treatment at a time so you can identify what is working.

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 essential oils
  • No drying alcohol
  • Silicone-free
  • No microplastics
  • Strong humectant content for hydration
  • No common irritants flagged in the list
  • No recognised malassezia (fungal acne) triggers

Which skin types it suits

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

Suitable for

  • Combination (oily) skin
  • Oily skin

Less suitable for

  • Dry skin
  • Combination (dry) skin
  • Balanced 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

  • Hydration 17 ingredients

    Attracts and locks in moisture to keep skin plump and dewy

  • Soothing 8 ingredients

    Calms redness, irritation, and inflammation for sensitive skin

  • Anti-Aging 7 ingredients

    Boosts collagen and cell turnover to reduce fine lines and wrinkles

Does not target

Anti-Acne Blackhead Reducing Dark Spot Fading Evens Skin Tone Oil Control Pore Minimizer Smooths Bumpy Skin

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.

Maris Aqua (EU)

Hydration Soothing

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

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

Hydration

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

2-Methyl-1,3-propanediol

Hydration

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

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

Methanaminium, 1-carboxy-N,N,N-trimethyl-, hydroxide, inner salt

Hydration

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

1,2-Dihydroxypentane

Hydration

11th 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

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

1,2-Propanediol, 3-(2-ethylhexyloxy)

Hydration
Panthenol Vitamin B5 (panthenol)

15th 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

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

Malachite Extract is an extract of Malachite obtained by grinding the stone, subsequent solubilization by hydrochloric acid and neutralization by sodium bicarbonate

Anti-Aging

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

Hydrolyzed Hyaluronic Acid is the hydrolysate of Hyaluronic Acid derived by acid, enzyme or other method of hydrolysis

Hydration

Formula analysis

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

Hydration Very 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 None

Ingredients that mop up free radicals from UV and pollution

Oil control None

Ingredients that moderate sebum or absorb shine

Brightening None

Ingredients that act on uneven tone and post-inflammatory marks

Soothing Moderate

Ingredients aimed at visible redness and reactivity

Cell renewal None

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.

Supporting ingredients (23)

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

Sea Water Water Methylpropanediol Glycerin Butylene Glycol 1,2-hexanediol Betaine Pentylene Glycol Carbomer Caprylyl Glycol Allantoin Tromethamine Ethylhexylglycerin Xanthan Gum Malachite Extract Disodium Edta Glyceryl Acrylate/acrylic Acid Copolymer Glyceryl Glucoside Hydrolyzed Sodium Hyaluronate Hydroxypropyltrimonium Hyaluronate Dimethylsilanol Hyaluronate Madecassoside Beta-glucan

What is and is not in it

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

Free from

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

What to layer it with

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

Compatible with

  • Vitamin C (L-ascorbic acid)
  • Retinoids (retinol, retinal)
  • AHAs (glycolic, lactic)
  • BHA (salicylic acid)
  • PHAs (gluconolactone)
  • Benzoyl peroxide
  • Azelaic acid
  • Copper peptides
  • Bakuchiol
  • Niacinamide
  • Hyaluronic acid
  • Ceramides
  • Signal peptides
  • Panthenol
  • Sunscreen

Nothing in this formula belongs to a group our rules can put in conflict, so it layers freely. Order still matters — thinnest texture first.

Where it fits in a routine

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

This product is the "Treat" step.

  • Apply to clean, dry skin and give it a minute to absorb before the next layer.
  • Introduce one new treatment at a time so you can identify what is working.

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)
No ingredient here is a recognised food source for malassezia.
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.
Recorded ingredient risks
Synthetic polymer

Ingredients by function

Most ingredients do more than one job, so these counts add up to more than the 30 ingredients on the label.

12
Humectant

Draws water into the upper layers of skin

7
Active

Changes how skin behaves rather than how it feels

7
Solvent

Dissolves and carries everything else

7
Texture agent

Sets the thickness, spread and stability of the formula

3
Occlusive

Forms a film that slows water loss

2
Antioxidant

Neutralises free radicals from UV and pollution

1
Soothing

Calms visible redness and irritation

1
Emollient

Softens and smooths by filling gaps between skin cells

1
Chelator

Binds trace metals that would otherwise spoil the formula

1
pH adjuster

Sets the acidity the formula needs to work

1
Plant extract

Botanical material, usually for antioxidants or scent

1
Surfactant

Lifts oil and dirt, or holds oil and water together

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

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

Maris Aqua (EU)

Hydration Soothing
2 Water Solvent
Estimated level
5–20%
Confidence
Moderate — INCI order above the 1% line
Roles
Solvent

2nd on the list, which puts it at an estimated 5–20% 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
Estimated level
5–20%
Confidence
Moderate — INCI order above the 1% line
Roles
Solvent

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

2-Methyl-1,3-propanediol

Hydration
3 scientific references
  • PubChem, Accessed April 2021, ePublication
  • Cosmetic Ingredient Review, June 2018, pages 1-73
  • Contact Dermatitis, September 2017, pages 159-162
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
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Solvent

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

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

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

Methanaminium, 1-carboxy-N,N,N-trimethyl-, hydroxide, inner salt

Hydration
5 scientific references
  • International Journal of Toxicology, 2018, pages 28S-46S
  • Food Science and Biotechnology, October 2017, pages 1391-1397
  • The Journal of Chemical Physics, June 2015, ePublication
  • The American Journal of Clinical Nutrition, September 2004, pages 539-549
  • Skin Research and Technology, February 2003, pages 50-58
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Solvent

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

1,2-Dihydroxypentane

Hydration
4 scientific references
  • https://thedermreviewcom/pentylene-glycol/
  • Regulatory Toxicology and Pharmacology, July 2017, pages 106-111
  • Prospector, June 2015, ePublication
  • International Journal of Toxicology, October 2012, pages 147S-168S
9 Carbomer Texture agent
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Texture agent

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

2-Propenoic acid, polymer with 2,2-bis(hydroxymethyl)propane-1,3-diol 2-propenyl ether

Synthetic polymer
10 Caprylyl Glycol Emollient
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Emollient

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

Octane-1,2-diol

11 Allantoin Occlusive
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Occlusive, Soothing

11th 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
12 Tromethamine pH adjuster
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
pH adjuster

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

1,3-Propanediol, 2-amino-2-(hydroxymethyl)-

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

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

1,2-Propanediol, 3-(2-ethylhexyloxy)

Hydration
5 scientific references
  • PLoS One, October 2016, ePublication
  • Contact Dermatitis, May 2016, pages 281-288
  • International Journal of Toxicology, September 2013, pages 5S-21S
  • Personal Care, 2008, pages 1-4
  • Cosmetic Science Technology, 2006, pages 1-11
14 Xanthan Gum Surfactant
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Surfactant, Texture agent

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

Xanthan gum

15 Panthenol Active
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Active

15th 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
16 Malachite Extract Antioxidant
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Antioxidant, Plant extract

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

Malachite Extract is an extract of Malachite obtained by grinding the stone, subsequent solubilization by hydrochloric acid and neutralization by sodium bicarbonate

Anti-Aging
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Humectant, Active

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

Hydrolyzed Hyaluronic Acid is the hydrolysate of Hyaluronic Acid derived by acid, enzyme or other method of hydrolysis

Hydration
18 Disodium Edta Texture agent
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Texture agent, Chelator

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

Disodium dihydrogen ethylenediaminetetraacetate

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

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

Glyceryl Acrylate/Acrylic Acid Copolymer is a copolymer of glyceryl acrylate and acrylic acid

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

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

alpha-D-Glucopyranoside, 2-Hydroxy-1-(Hydroxymethyl)ethyl

Hydration Soothing
4 scientific references
  • Health Science Reports, April 2021, pages 1–7
  • Antioxidants, February 2020, pages 1–20
  • The Journal of Clinical and Aesthetic Dermatology, August 2012, pages 29–39
  • Skin Pharmacology and Physiology, May 2012, pages 192–199
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Humectant, Active

21st 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
Active

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

Hyaluronic acid, potassium salt

23 Hyaluronic Acid Humectant
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Humectant, Active

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

Hyaluronic acid

Anti-Aging Hydration
5 scientific references
  • Journal of Evidence-Based, Complementary and Alternative Medicine, October 2017, pages 816-823
  • Journal of Medicinal Food, October 2016, pages 1, 172-1, 179
  • Nutrition Journal, July 2013, ePublication
  • Journal of Drugs in Dermatology, 2011, issue 9, pages 990-1000
  • Journal of Clinical and Aesthetic Dermatology, March 2009, pages 38-43
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line

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

Hydrolyzed Sodium Hyaluronate is the hydrolysate of Sodium Hyaluronate derived by acid, enzyme or other method of hydrolysis

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

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

Sodium Acetylhyaluronate

Hydration Anti-Aging
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Occlusive

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

Hyaluronic acid, 2-hydroxy-3-(N,N,N-trimethylammonio)propyl chloride derivatives

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

27th 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, polymer with 1,1'-sulfonylbis[ethene]

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

28th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Dimethylsilanol Hyaluronate is the ester of dimethylsilanol and hyaluronic acid.

29 Madecassoside Antioxidant
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Antioxidant

29th 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
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line

30th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

beta-Glucan is a polysaccharide consisting of b(1-3) linked glucose chains carrying b(1-6) linked glucose sidechains

Soothing Hydration
6 scientific references
  • Journal of Cosmetic Dermatology, December 2018, pages 1, 101-1, 107
  • International Journal of Molecular Sciences, September 2017, pages 1-48
  • Phytotherapy Research, February 2014, pages 159-166
  • Cosmetic Ingredient Review, October 2012, pages 1-52
  • Journal of Drugs in Dermatology, February 2007, pages 167-170
  • International Journal of Cosmetic Science, October 2005, page 292

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Frequently asked questions

What ingredients are in Ultra-Low Molecular Hyaluronic Acid Serum?

SEA WATER, WATER, METHYLPROPANEDIOL, GLYCERIN, BUTYLENE GLYCOL, 1,2-HEXANEDIOL, BETAINE, PENTYLENE GLYCOL, CARBOMER, CAPRYLYL GLYCOL, ALLANTOIN, TROMETHAMINE, ETHYLHEXYLGLYCERIN, XANTHAN GUM, PANTHENOL, MALACHITE EXTRACT, HYDROLYZED HYALURONIC ACID, DISODIUM EDTA, GLYCERYL ACRYLATE/ACRYLIC ACID COPOLYMER, GLYCERYL GLUCOSIDE, SODIUM HYALURONATE, POTASSIUM HYALURONATE, HYALURONIC ACID, HYDROLYZED SODIUM HYALURONATE, SODIUM ACETYLATED HYALURONATE, HYDROXYPROPYLTRIMONIUM HYALURONATE, SODIUM HYALURONATE CROSSPOLYMER, DIMETHYLSILANOL HYALURONATE, MADECASSOSIDE, BETA-GLUCAN.

What are the active ingredients in Ultra-Low Molecular Hyaluronic Acid Serum?

PANTHENOL, HYDROLYZED HYALURONIC ACID, SODIUM HYALURONATE, POTASSIUM HYALURONATE, HYALURONIC ACID, SODIUM ACETYLATED HYALURONATE, SODIUM HYALURONATE CROSSPOLYMER.

How do I use Ultra-Low Molecular Hyaluronic Acid Serum?

After cleaning and toning the skin, apply a moderate amount to the skin, avoiding the eye and mouth areas. Gently pat for better absorption.

What skin types is Ultra-Low Molecular Hyaluronic Acid Serum good for?

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

Is Ultra-Low Molecular Hyaluronic Acid Serum 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 Ultra-Low Molecular Hyaluronic Acid Serum fungal acne safe?

No ingredient in this formula is a recognised food source for malassezia, the yeast behind fungal acne.

Can I use Ultra-Low Molecular Hyaluronic Acid Serum 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 Ultra-Low Molecular Hyaluronic Acid Serum fragrance free?

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

Does Ultra-Low Molecular Hyaluronic Acid Serum contain alcohol?

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

Is Ultra-Low Molecular Hyaluronic Acid Serum silicone free?

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

Does Ultra-Low Molecular Hyaluronic Acid Serum contain essential oils?

No. Reading the full ingredient list, this formula is essential-oil-free.

Is Ultra-Low Molecular Hyaluronic Acid Serum paraben free?

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

What can I layer with Ultra-Low Molecular Hyaluronic Acid Serum?

It layers well with Vitamin C (L-ascorbic acid), Retinoids (retinol, retinal), AHAs (glycolic, lactic), BHA (salicylic acid), PHAs (gluconolactone), Benzoyl peroxide.

When should I apply Ultra-Low Molecular Hyaluronic Acid Serum?

Use it morning and evening, after toner, before moisturiser.

How many ingredients does Ultra-Low Molecular Hyaluronic Acid Serum have?

It lists 30 ingredients, of which 7 are recorded as actives.

Who makes Ultra-Low Molecular Hyaluronic Acid Serum?

Isntree.

Brand
Isntree

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