Dr.Althea Aqua Marine Deep Serum

Dr.Althea

Aqua Marine Deep Serum

face neck serum

Added Last edited

Fit by skin type

General, ingredient-based — not your personalized match.

Dry
45%
Combination (dry)
45%
Balanced
75%
Combination (oily)
95%
Oily
95%

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34
Ingredients
5
Benefits
3
Actives
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The Dr.Althea Aqua Marine Deep Serum is a concentrated, lightweight vegan serum designed to quench dehydrated skin while restoring its natural radiance. Formulated with 70% Bambusa Vulgaris (Bamboo) Water instead of purified water, it delivers a mineral-rich base that enhances the skin's ability to retain moisture. The serum features a patented 3D Hyaluronic Acid technology that targets multiple layers of the dermis for long-lasting hydration. Its distinctive natural blue hue comes from Guaiazulene, a chamomile-derived extract known for its powerful soothing properties. Combined with Vegan PDRN and Green Caviar Extract, this fast-absorbing formula strengthens the skin barrier and improves elasticity without leaving a greasy residue.

Key Insights

Benefits

5
Anti-Aging
Hydration
Oil Control
Pore Minimizer
Soothing

Active Ingredients

3
Hyaluronic acid Vitamin B3 (niacinamide) Vitamin B5 (panthenol)

Risks

1
Synthetic polymer

About Aqua Marine Deep Serum

Overview

Aqua Marine Deep Serum is a watery-light serum from Dr.Althea. The formula is built mainly around hydration. The ingredient list runs to 34 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 Glycerin, Ethylhexylglycerin and Panthenol, 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, Ethylhexylglycerin, Panthenol and Propanediol.

Soothing: Moderate. Ingredients aimed at visible redness and reactivity, and here that comes from Panthenol, Centella Asiatica Extract, Niacinamide and Sodium Hyaluronate.

Barrier support: Moderate. Lipids and repair signals that support skin barrier integrity, and here that comes from Niacinamide and Panthenol.

Who it suits

On richness alone it suits 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 antioxidant protection, cell renewal 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, 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

May suit

  • Balanced 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

  • Hydration 12 ingredients

    Attracts and locks in moisture to keep skin plump and dewy

  • Anti-Aging 6 ingredients

    Boosts collagen and cell turnover to reduce fine lines and wrinkles

  • Soothing 6 ingredients

    Calms redness, irritation, and inflammation for sensitive skin

  • Oil Control 1 ingredient

    Regulates sebum production to reduce shine and greasiness

  • Pore Minimizer 1 ingredient

    Tightens and refines the look of enlarged pores

Does not target

Anti-Acne Blackhead Reducing Dark Spot Fading Evens Skin Tone 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.

3rd 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

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, 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
Niacinamide Vitamin B3 (niacinamide)

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

Niacinamide (vitamin B3) is a gentle skincare active that repairs the skin barrier, calms redness, controls oil and evens tone at 2–5%. Official IUPAC name: **3-Pyridinecarboxamide**

Soothing Anti-Aging Pore Minimizer

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

alpha-D-Glucopyranoside, beta-D-fructofuranosyl O-alpha-D-galactopyranosyl-

Hydration
Panthenol Vitamin B5 (panthenol)

8th 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

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

1,3-dihydroxypropane

Hydration

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

Lactococcus Ferment Lysate is a lysate of the fermentation product of Lactococcus

Anti-Aging

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

Fructooligosaccharides are oligosaccharides produced enzymatically from sugar beets and consist chiefly of kestose, nystose and fructosyl nystose

Hydration

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

Centella Asiatica Extract is the extract of the whole plant Hydrocotyl, Centella asiatica L., Apiaceae

Soothing 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

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

6-Amino-9-beta-D-ribofuranosyl-9H-purine

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 Moderate

Lipids and repair signals that support skin barrier integrity

Antioxidant support None

Ingredients that mop up free radicals from UV and pollution

Oil control Low

Ingredients that moderate sebum or absorb shine

Brightening Low

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.

Active ingredients (5)

Supporting ingredients (29)

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

Bambusa Vulgaris Water 1,2-hexanediol Water Glycerin Ethylhexylglycerin Raffinose Propanediol Xanthan Gum Lactococcus Ferment Lysate Fructooligosaccharides Centella Asiatica Extract Cyperus Rotundus Root Extract Sodium Chloride Adenosine Tromethamine Carbomer Disodium Edta Maltodextrin Butylene Glycol Hydrolyzed Gardenia Florida Extract Agave Tequilana Leaf Extract Caulerpa Lentillifera Extract Hizikia Fusiforme Extract Sargassum Fulvellum Extract Laminaria Japonica Extract Guaiazulene Dimethyl Isosorbide Sodium DNA Oleyl Alcohol

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 34 ingredients on the label.

10
Texture agent

Sets the thickness, spread and stability of the formula

8
Plant extract

Botanical material, usually for antioxidants or scent

7
Solvent

Dissolves and carries everything else

6
Humectant

Draws water into the upper layers of skin

5
Active

Changes how skin behaves rather than how it feels

4
Occlusive

Forms a film that slows water loss

2
Surfactant

Lifts oil and dirt, or holds oil and water together

1
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
Preservative

Keeps the product free of microbial growth

Ingredient breakdown

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

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

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

Bambusa Vulgaris Water is an aqueous solution of the stem of distillate obtained from the Bamboo, Bambusa vulgaris, Poaceaea

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.

3 Water Solvent
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.

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

5th 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
6 Niacinamide Active
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Active

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

Niacinamide (vitamin B3) is a gentle skincare active that repairs the skin barrier, calms redness, controls oil and evens tone at 2–5%. Official IUPAC name: **3-Pyridinecarboxamide**

Soothing Anti-Aging Pore Minimizer
15 scientific references
  • International Journal of Dermatology, February 2021, pages 166-173
  • Biomolecules & Therapeutics, July 2019, pages 562-569
  • Experimental Dermatology, February 2019, pages 15-22
  • Dermatologic Therapy, September 2017, ePublication
  • Journal of Investigative Dermatology, May 2017, page S116
  • International Journal of Pharmaceutics, March 2017, pages 158-162
  • Facial Plastic Surgery Clinics of North America, May 2016, pages 145-152
  • Clinical, Cosmetic, and Investigational Dermatology, July 2015, pages 405-412
  • Skin Pharmacology and Physiology, June 2014, pages 311-315
  • International Journal of Pharmacy, January 2013, pages 192-201
  • Dermatoendrocrinology, July 2012, pages 308-319
  • International Journal of Toxicology, September 2005, pages 1-31
  • Dermatologic Surgery, July 2005, pages 860-865
  • International Journal of Cosmetic Science, October 2004, pages 231-238
  • Journal of Cosmetic Dermatology, April 2004, pages 88-93
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line

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

alpha-D-Glucopyranoside, beta-D-fructofuranosyl O-alpha-D-galactopyranosyl-

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

8th 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
9 Propanediol Texture agent
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Texture agent, Solvent

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

1,3-dihydroxypropane

Hydration
4 scientific references
  • PubChem Compound Summary, April 2021, ePublication
  • SpecialChem, Accessed April 2021, ePublication
  • Cosmetic Ingredient Review, June 2018, pages 1-73
  • Cosmetics & Toiletries, May 2013, pages 81-86
10 Xanthan Gum Surfactant
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Surfactant, Texture agent

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

Xanthan gum

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

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

Lactococcus Ferment Lysate is a lysate of the fermentation product of Lactococcus

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

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

Fructooligosaccharides are oligosaccharides produced enzymatically from sugar beets and consist chiefly of kestose, nystose and fructosyl nystose

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

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

Centella Asiatica Extract is the extract of the whole plant Hydrocotyl, Centella asiatica L., Apiaceae

Soothing Anti-Aging
6 scientific references
  • Phytomedicine, April 2018, pages 110–119
  • Clinical, Cosmetic, and Investigational Dermatology, August 2017, pages 311–315
  • Indian Journal of Pharmaceutical Sciences, Jan-Feb 2016, pages 27–33
  • Postepy Dermatologii I, February 2013, pages 46–49
  • Indian Journal of Pharmaceutical Sciences, 2010, pages 546–556
  • Scientific Reports, June 2021, ePublication
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.

Cyperus Rotundus Root Extract is an extract of the tubers of the Nutgran, Cyperus rotundus L., Cyperaceae

15 Sodium Chloride Texture agent
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Texture agent

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

Sodium chloride

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

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

6-Amino-9-beta-D-ribofuranosyl-9H-purine

Soothing
8 scientific references
  • PubChem, Accessed May 2021, ePublication
  • Cosmetic Ingredient Review, September 2020, pages 1-38
  • Experimental Dermatology, August 2014, pages 553-554
  • Journal of Investigative Dermatology, August 2011, pages 526-546
  • International Journal of Cosmetic Science, December 2006, pages 447-451
  • British Journal of Pharmacology, October 2008, issue 4, pages 475-486
  • PloS One, May 2008 (ePublication)
  • >International Journal of Cosmetic Science, August 2006, pages 447-451
18 Tromethamine pH adjuster
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
pH adjuster

18th 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)-

19 Carbomer 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.

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

Synthetic polymer
20 Disodium Edta Texture agent
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Texture agent, Chelator

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

Disodium dihydrogen ethylenediaminetetraacetate

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

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

Maltodextrin

Oil Control Hydration
22 Butylene Glycol Humectant
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Humectant, Texture agent, Solvent

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

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
Antioxidant, Plant extract

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

Hydrolyzed Gardenia Florida Extract is the hydrolysate of Gardenia Florida L., Rubiaceae, Extract derived by acid, enzyme or other method of hydrolysis

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

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

Agave Tequilana Leaf Extract is an extract of the leaf of the bluE agave, Agave Tequilana, Agavaceae

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

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

Caulerpa Lentillifera Extract is the extract of the alga, Caulerpa lentillifera

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

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

Hizikia Fusiforme Extract is the extract of the Alga, Hizikia fusiforme

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

27th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Sargassum Fulvellum Extract is the extract of the Alga, Sargassum fulvellum

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

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

Laminaria Japonica Extract is an extract of the Japan Kelp/Seaweed, Laminaria japonica, Laminariaceae

29 Guaiazulene Preservative
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Preservative

29th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

7-Isopropyl-1,4-dimethylazulene

30 Dimethyl Isosorbide Texture agent
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Texture agent, Solvent

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

1,4:3,6-Dianhydro-2,5-di-O-methyl-D-glucitol

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

31st on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Deoxyribonucleic acid, sodium salts

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

32nd 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
33 Oleyl Alcohol Emollient
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Emollient, Texture agent, Solvent

33rd on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

(Z)-Octadec-9-enol

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

34th 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

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Frequently asked questions

What ingredients are in Aqua Marine Deep Serum?

BAMBUSA VULGARIS WATER, 1,2-HEXANEDIOL, WATER, GLYCERIN, ETHYLHEXYLGLYCERIN, NIACINAMIDE, RAFFINOSE, PANTHENOL, PROPANEDIOL, XANTHAN GUM, LACTOCOCCUS FERMENT LYSATE, FRUCTOOLIGOSACCHARIDES, CENTELLA ASIATICA EXTRACT, CYPERUS ROTUNDUS ROOT EXTRACT, SODIUM CHLORIDE, SODIUM HYALURONATE, ADENOSINE, TROMETHAMINE, CARBOMER, DISODIUM EDTA, MALTODEXTRIN, BUTYLENE GLYCOL, HYDROLYZED GARDENIA FLORIDA EXTRACT, AGAVE TEQUILANA LEAF EXTRACT, CAULERPA LENTILLIFERA EXTRACT, HIZIKIA FUSIFORME EXTRACT, SARGASSUM FULVELLUM EXTRACT, LAMINARIA JAPONICA EXTRACT, GUAIAZULENE, DIMETHYL ISOSORBIDE, SODIUM DNA, SODIUM HYALURONATE CROSSPOLYMER, OLEYL ALCOHOL, HYDROLYZED HYALURONIC ACID.

What are the active ingredients in Aqua Marine Deep Serum?

NIACINAMIDE, PANTHENOL, SODIUM HYALURONATE, SODIUM HYALURONATE CROSSPOLYMER, HYDROLYZED HYALURONIC ACID.

How do I use Aqua Marine Deep Serum?

After cleansing and toning, apply 2–3 drops of the serum to the face and neck. Gently massage or pat the product into the skin until fully absorbed. Follow with a moisturizer (such as the Aqua Marine Watery Cream) to lock in the hydration. Use both morning and evening for optimal results.

What skin types is Aqua Marine Deep 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) skin.

Is Aqua Marine Deep 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 Aqua Marine Deep Serum fungal acne safe?

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

Can I use Aqua Marine Deep 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 Aqua Marine Deep Serum fragrance free?

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

Does Aqua Marine Deep Serum contain alcohol?

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

Is Aqua Marine Deep Serum silicone free?

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

Does Aqua Marine Deep Serum contain essential oils?

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

Is Aqua Marine Deep Serum paraben free?

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

What can I layer with Aqua Marine Deep 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 Aqua Marine Deep Serum?

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

How many ingredients does Aqua Marine Deep Serum have?

It lists 34 ingredients, of which 5 are recorded as actives.

Who makes Aqua Marine Deep Serum?

Dr.Althea.

Brand
Dr.Althea

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