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[ DemythSkin Verdict ]

Dr. Althea

Dr. Althea Aqua Marine Watery Cream

Name: Dr. Althea Aqua Marine Watery Cream
Brand: Dr. Althea

MoisturizerHydration

Efficacy

Strong

4.2 / 5.0

Safety

Safe

4.6 / 5.0

System Verdict

Hydration circus, treatment light-weight: this is a sophisticated water-gel moisturizer that drenches skin but only flirts with true anti-aging. The efficacy score comes from a robust humectant architecture (glycerin high in the list, multiple forms of hyaluronic acid, polyglutamic acid, panthenol) forming a strong hydration and soothing network, plus algae extracts that likely add mild antioxidant and film-forming support; however, the headline treatment conjugates (retinoid–HA and vitamin C–HA complexes) sit late in the INCI and are almost certainly at very low concentrations, so they function as bonus touches rather than real drivers of wrinkle or pigment improvement. As a moisturizer, it lacks classic barrier lipids like ceramides, cholesterol, and fatty acids, so it is excellent for lightweight hydration but not optimal as a primary barrier-repair cream, which keeps the efficacy in the solid but not elite range.

Active Ingredients Detected

A Tier: Good BasicsProven Results

GlycerinHyaluronic AcidHydrolyzed Hyaluronic AcidSodium HyaluronatePanthenolPolyglutamic AcidHydrolyzed Sodium HyaluronateHydroxypropyltrimonium HyaluronatePotassium HyaluronateSodium Hyaluronate CrosspolymerSodium Acetylated HyaluronateSodium Retinoyl HyaluronateZinc Hydrolyzed HyaluronateDimethylsilanol HyaluronateAscorbyl Propyl HyaluronateAscorbylpropyl Hydrolyzed Hyaluronat

B Tier: Supporting IngredientsPromising Ingredients

Hydrogenated PolydeceneC14-22 AlcoholsC12-20 Alkyl GlucosideDextrinGuaiazulene

C Tier: Marketing IdolsHype | Limited or Weak Data

Codium Fragile ExtractPalmaria Palmata ExtractChondrus Crispus ExtractSargassum Pallidum ExtractSodium DNAGardenia Florida Fruit ExtractAgave Tequilana Leaf ExtractCaulerpa Lentillifera Extract

What Each Ingredient Does

Water: Solvent / vehicle
1,2-Hexanediol: Humectant, preservative booster
Propanediol: Humectant, solvent
Water: Solvent / vehicle
Glycerin: Primary humectant
Hydrogenated Polydecene: Emollient, skin-conditioning
C14-22 Alcohols: Fatty alcohol, texture enhancer
C12-20 Alkyl Glucoside: Emulsifier, surfactant
Caprylic/Capric Triglyceride: Emollient, texture enhancer
Codium Fragile Extract: Marine extract, soothing/hydrating
Palmaria Palmata Extract: Red algae extract, antioxidant
Chondrus Crispus Extract: Carrageenan-type algae, humectant
Sargassum Pallidum Extract: Brown algae extract, antioxidant
Butylene Glycol: Humectant, solvent
Hyaluronic Acid: High-molecular humectant
Hydrolyzed Hyaluronic Acid: Low-molecular humectant
Sodium Hyaluronate: Humectant, water-binding
Panthenol: Humectant, soothing agent
Vinyl Dimethicone: Silicone, slip and film-former
Cetyl Alcohol: Fatty alcohol, thickener, emollient
Carbomer: Gel thickener, stabilizer
Tromethamine: pH adjuster, neutralizer
Sodium DNA: Marketing nucleotide humectant
Hydrogenated Lecithin: Emulsifier, delivery helper

Full Ingredient List (INCI)

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

Frequently Asked

Is Dr. Althea Aqua Marine Watery Cream worth it?

Dr. Althea Aqua Marine Watery Cream scores 4.2 out of 5.0 for efficacy (Strong) and 4.6 out of 5.0 for safety (Safe) on DemythSkin's independent ingredient analysis. Hydration circus, treatment light-weight: this is a sophisticated water-gel moisturizer that drenches skin but only flirts with true anti-aging. The efficacy score comes from a robust humectant architecture (glycerin hig

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 axes: efficacy (whether the ingredients have clinical evidence of working) and safety (irritation and sensitisation risk). Ingredients are classified S through D against a database of over 3,000 compounds. No brand pays for a score.

Analyze on DemythSkin →

Analysis last updated: 2026-08-28. DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.