COSRX Advanced Snail 96 Mucin Power Essence — Efficacy 3.8/5.0, Safety 4.8/5.0 | DemythSkin
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[ DemythSkin Verdict ]
COSRX Advanced Snail 96 Mucin Power Essence
COSRX

COSRX Advanced Snail 96 Mucin Power Essence

SerumHydration
Efficacy
Solid
3.8 / 5.0
Safety
Excellent
4.8 / 5.0
System Verdict
Quietly effective hydration serum, not a miracle repair treatment. The formula scores well because it is built around a high-load humectant base with snail secretion filtrate, betaine, sodium hyaluronate, panthenol, and allantoin in meaningful positions, so it can genuinely improve water content and comfort. The efficacy score is not higher because it lacks true high-evidence treatment actives for brightening, anti-aging, or acne, and snail itself is best viewed as a supportive skin-conditioning ingredient rather than a gold-standard clinical active.
Active Ingredients Detected
A Tier: Good BasicsProven Results
BetaineSodium HyaluronateAllantoinPanthenol
B Tier: Supporting IngredientsPromising Ingredients
Snail Secretion Filtrate
What Each Ingredient Does
Snail Secretion Filtrate
humectant skin conditioner
Betaine
osmolyte humectant
Butylene Glycol
solvent humectant
1,2-Hexanediol
solvent preservative booster
Sodium Polyacrylate
thickener film former
Phenoxyethanol
preservative
Sodium Hyaluronate
water-binding humectant
Allantoin
soothing skin protectant
Ethyl Hexanediol
solvent preservative booster
Carbomer
gel thickener
Panthenol
humectant barrier support
Arginine
pH adjuster amino acid
Full Ingredient List (INCI)

Snail Secretion Filtrate, Betaine, Butylene Glycol, 1,2-Hexanediol, Sodium Polyacrylate, Phenoxyethanol, Sodium Hyaluronate, Allantoin, Ethyl Hexanediol, Carbomer, Panthenol, Arginine

Frequently Asked

Is COSRX Advanced Snail 96 Mucin Power Essence worth it?

COSRX Advanced Snail 96 Mucin Power Essence scores 3.8 out of 5.0 for efficacy (Solid) and 4.8 out of 5.0 for safety (Excellent) on DemythSkin's independent ingredient analysis. Quietly effective hydration serum, not a miracle repair treatment. The formula scores well because it is built around a high-load humectant base with snail secretion filtrate, betaine, sodium hyaluronate, panthenol, and

What are the key active ingredients in COSRX Advanced Snail 96 Mucin Power Essence?

COSRX Advanced Snail 96 Mucin Power Essence contains no gold-standard actives — its formula is built on supporting and base ingredients rather than clinically transformative actives.

Does COSRX Advanced Snail 96 Mucin Power Essence contain fragrance or known irritants?

DemythSkin's analysis found no flagged irritants in COSRX Advanced Snail 96 Mucin Power Essence. It scores 4.8 out of 5.0 for safety.

How is COSRX Advanced Snail 96 Mucin Power Essence 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: 2026-08-31. DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.