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COSRX Advanced Snail Mucin Gel Cleanser: Ingredients Reviewed

The COSRX Advanced Snail Mucin Gel Cleanser is a popular K-beauty staple designed to cleanse while maintaining the skin's natural moisture barrier. Users often scan this product to ensure its sophisticated ingredient list aligns with their skin health needs. Our assessment confirms this gel cleanser is a highly effective, low-irritation option for daily facial hygiene.

Updated May 7, 2026Product analysis

Health score

85 / 100

85
PoorExcellent
Excellent

Verdict: healthy

The COSRX Advanced Snail Mucin Gel Cleanser earns a strong 85/100 score for its gentle, skin-repairing formula that avoids harsh surfactants.

Key takeaways

  • Features Snail Secretion Filtrate for skin barrier repair.
  • Uses mild, coconut-derived surfactants instead of harsh sulfates.
  • Infused with four bioactive Centella Asiatica components to soothe inflammation.
  • pH-balanced formula ensures the skin's acid mantle remains protected.
  • Environmentally moderate impact due to synthetic copolymer and plastic tube usage.

Expert analysis

Our read on this product

With an impressive health score of 85/100, this cleanser stands out by replacing harsh sulfates with mild, coconut-derived surfactants like Sodium Cocoyl Isethionate and Potassium Cocoyl Glycinate. The inclusion of Snail Secretion Filtrate provides hyaluronic acid for hydration, while the Centella Asiatica complex—containing Madecassoside, Asiaticoside, Asiatic Acid, and Madecassic Acid—actively reduces inflammation. Overall, the formulation focuses on barrier recovery and gentle cleansing without stripping the skin of essential oils.

Best for

This cleanser is ideal for individuals with sensitive, dehydrated, or acne-prone skin looking for a non-stripping, soothing daily face wash.

Approach with care

Individuals with a known allergy to snail secretion or specific botanical extracts like Centella Asiatica should perform a patch test before regular use.

Ingredient breakdown

Good ingredients

Butylene Glycol: Good
Snail Secretion Filtrate: Good
Sodium Cocoyl Isethionate: Good
Sodium Methyl Cocoyl Taurate: Good
Hydrogenated Coconut Acid: Good
Potassium Cocoyl Glycinate: Good
Potassium Cocoate: Good
Sodium Isethionate: Good
Madecassoside: Good
Asiaticoside: Good
Asiatic Acid: Good
Madecassic Acid: Good

Neutral ingredients

Water: Neutral
Acrylates Copolymer: Neutral
Tromethamine: Neutral
1,2-Hexanediol: Neutral
Sodium Chloride: Neutral
Ethylhexylglycerin: Neutral
Caprylyl Glycol: Neutral
PEG-7 Glyceryl Cocoate: Neutral
Hexylene Glycol: Neutral
Disodium EDTA: Neutral
Neutral

Water

Serves as the solvent for the formulation, ensuring proper consistency and delivery of active ingredients. It is purified to ensure product safety and stability.

Neutral

Acrylates Copolymer

A film-forming agent and stabilizer that helps control the viscosity of the gel. It is considered safe for topical use in cosmetics.

Good

Butylene Glycol

Acts as a humectant and solvent that helps the skin retain moisture. It improves the feel of the product on the skin, aiding in the hydration process.

Good

Snail Secretion Filtrate

Rich in hyaluronic acid and glycoproteins, this extract promotes skin regeneration and intense hydration. It is highly valued for soothing and repairing the skin barrier.

Good

Sodium Cocoyl Isethionate

A mild, coconut-derived surfactant that creates a gentle lather. It cleanses the skin without causing the harsh dryness often associated with traditional soaps.

Neutral

Tromethamine

A pH adjuster used to ensure the product remains at an optimal level for skin health. It is commonly used in skincare to maintain efficacy.

Health goal fit

GoalGradeNotes
Mood EffectASupports skin confidence and self-care routines without using ingredients linked to stress or systemic irritation.
Pcos ManagementAThe formula is free from known endocrine-disrupting chemicals, making it safe for those managing hormone-sensitive conditions.

Myth busters

Not supported

Contains harsh sulfates

The formula uses mild coconut-derived surfactants like Sodium Cocoyl Isethionate instead of traditional harsh sulfates.

Supported

Features soothing Centella Asiatica extracts

It contains four specific bioactive components: Madecassoside, Asiaticoside, Asiatic Acid, and Madecassic Acid for inflammation reduction.

Not supported

Is fully biodegradable

The inclusion of Acrylates Copolymer makes this product less environmentally friendly compared to natural formulations.

Frequently asked questions

Is the COSRX Snail Mucin Gel Cleanser healthy for skin?

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Yes, it receives an 85/100 health score for its focus on skin-soothing ingredients and lack of aggressive, drying detergents.

What is the primary concern with this product?

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The main concern is its 60/100 planet score, attributed to the use of synthetic acrylates and non-recyclable-friendly plastic packaging.

What is the key active ingredient in this cleanser?

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Snail Secretion Filtrate is the star ingredient, providing natural hyaluronic acid and glycoproteins that aid in regeneration and intense hydration.

Is this product suitable for those with oily skin?

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Yes, the gentle coconut-derived surfactants effectively cleanse excess sebum without over-drying, making it suitable for oily skin types.

Is there a better, more sustainable alternative?

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Look for cleansers in aluminum or glass packaging with biodegradable surfactants, though few replicate this specific Centella-snail soothing synergy as effectively.