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Dr.ALTHEA Aqua Marine Watery Cream ingredients: is it worth it?
A very hydrating, hyaluronic-obsessed gel cream that overdelivers on moisture but is mostly marketing fluff for anti-aging and marine claims.

A very hydrating, hyaluronic-obsessed gel cream that overdelivers on moisture but is mostly marketing fluff for anti-aging and marine claims.
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The efficacy score is driven by a solid humectant and emollient base (water, glycerin, multiple glycols, hydrogenated polydecene, fatty alcohols) plus a genuinely robust "hyaluronic acid complex" spanning standard, hydrolyzed, crosslinked, and modified HA derivatives that can provide good superficial and short-term hydration and a nice film-forming effect; however, the numerous hyaluronate variants, nucleotide (Sodium DNA), marine extracts, and HA-bound retinoid/Vitamin C derivatives are likely present at low concentrations and function more as marketing than high-evidence treatment actives, so anti-aging and brightening effects are modest at best in this moisturizer format.
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DemythSkin rates Dr.ALTHEA Aqua Marine Watery Cream 4.1/5 for efficacy and 4.6/5 for safety.
ACTIVE INGREDIENTS BY TIER
Gold Standards
High clinical proof | Skin-transformativeReliable
Proven resultsPotent
Developing evidenceOverhyped | Marketing
Hype | Limited dataDocumented Irritants
Evidence-backed flagFORMULATION BASE (15)⌄
FULL INGREDIENT LIST⌄
Water, 1,2-Hexanediol, Propanediol, Water, Glycerin, Hydrogenated Polydecene, C14-22 Alcohols, C12-20 Alkyl Glucoside, Caprylic/Capric Triglyceride, Codium Fragile Extract, Palmaria Palmata Extract, Chondrus Crispus Extract, Sargassum Pallidum Extract, Butylene Glycol, Hyaluronic Acid, Hydrolyzed Hyaluronic Acid, Sodium Hyaluronate, Panthenol, Vinyl Dimethicone, Cetyl Alcohol, Carbomer, Tromethamine, Sodium DNA, Hydrogenated Lecithin, Dextrin, Gardenia Florida Fruit Extract, Polyglutamic Acid, Hydrolyzed Sodium Hyaluronate, Hydroxypropyltrimonium Hyaluronate, Potassium Hyaluronate, Sodium Hyaluronate Crosspolymer, Pentylene Glycol, Sodium Acetylated Hyaluronate, Guaiazulene, Agave Tequilana Leaf Extract, Sodium Retinoyl Hyaluronate, Zinc Hydrolyzed Hyaluronate, Dimethylsilanol Hyaluronate, Sodium Benzoate, Ascorbyl Propyl Hyaluronate, Ascorbylpropyl Hydrolyzed Hyaluronat, Caulerpa Lentillifera Extract, Ethylhexylglycerin, Disodium EDTA
WHAT EACH INGREDIENT DOES (24)⌄
- Water
- Primary solvent
- 1,2-Hexanediol
- Humectant and preservative booster
- Propanediol
- Solvent and humectant
- Water
- Solvent (duplicate entry)
- Glycerin
- Primary humectant for hydration
- Hydrogenated Polydecene
- Light emollient and texture enhancer
- C14-22 Alcohols
- Fatty alcohols for structure and emollience
- C12-20 Alkyl Glucoside
- Emulsifier and stabilizer
- Caprylic/Capric Triglyceride
- Emollient and skin-conditioning agent
- Codium Fragile Extract
- Marine extract, potential soothing
- Palmaria Palmata Extract
- Algae extract, marketing antioxidant
- Chondrus Crispus Extract
- Algae extract, film-forming moisturizer
- Sargassum Pallidum Extract
- Marine extract, marketing antioxidant
- Butylene Glycol
- Humectant and solvent
- Hyaluronic Acid
- High molecular weight humectant
- Hydrolyzed Hyaluronic Acid
- Lower molecular weight humectant
- Sodium Hyaluronate
- Standard hyaluronic acid salt humectant
- Panthenol
- Humectant and soothing agent
- Vinyl Dimethicone
- Silicone for slip and occlusion
- Cetyl Alcohol
- Fatty alcohol emollient and thickener
- Carbomer
- Gel thickener and stabilizer
- Tromethamine
- pH adjuster
- Sodium DNA
- Marketing nucleotide humectant
- Hydrogenated Lecithin
- Emulsifier and delivery aid
EXTERNAL CITATIONS
Glycerin: Clinical studies show glycerin significantly improves stratum corneum hydration and barrier function when used in topical moisturizers.
Panthenol: Topical panthenol has been documented to support barrier recovery and reduce irritation in compromised skin.
Hyaluronic Acid: Hyaluronic acid and its salts increase skin hydration via strong water-binding capacity and film formation on the stratum corneum.
DISCLAIMER: THIS ANALYSIS IS FOR INFORMATION ONLY. NOT MEDICAL ADVICE. AI-GENERATED DATA BASED ON PUBLICLY AVAILABLE INGREDIENT LISTS. VERIFY WITH A MEDICAL PROFESSIONAL.
Dr.ALTHEA Aqua Marine Watery Cream: common questions
Is Dr.ALTHEA Aqua Marine Watery Cream worth it?
Dr.ALTHEA Aqua Marine Watery Cream scores 4.1 out of 5.0 for efficacy (Effective) and 4.6 out of 5.0 for safety (Very Gentle) on DemythSkin's independent ingredient analysis. A very hydrating, hyaluronic-obsessed gel cream that overdelivers on moisture but is mostly marketing fluff for anti-aging and marine claims.
What are the key active ingredients in Dr.ALTHEA Aqua Marine Watery Cream?
Dr.ALTHEA Aqua Marine Watery Cream contains no gold-standard actives. Its formula is built on supporting and base ingredients rather than clinically transformative actives.
Does Dr.ALTHEA Aqua Marine Watery Cream contain fragrance or known irritants?
DemythSkin's analysis found no flagged irritants in Dr.ALTHEA Aqua Marine Watery Cream. It scores 4.6 out of 5.0 for safety.
How is Dr.ALTHEA Aqua Marine Watery Cream scored?
DemythSkin grades every product on two independent scores: efficacy (whether the ingredients have clinical evidence of working) and safety (irritation and sensitisation risk). Ingredients are graded S through D against a database of over 3,000 compounds. Brand and price are not part of the score, and no brand pays for one.
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