Ingredient decoded

Snail mucin

A filtered snail secretion used in hydrating skincare. It is a mixture, not one chemical molecule, so a single molecular drawing would not represent snail mucin.

Animal-derived mixture

Black line drawing of Garden snail in side view — Snail mucin · source animal illustration
Reference

First things first: what is it?

On the label, snail mucin usually appears as Snail Secretion Filtrate. It is an animal-derived mixture.

What does it do?

Hydrating formula ingredient

COSRX uses it as the main ingredient of its hydrating Snail 96 essence, alongside several other moisturising ingredients.

Science or just a good story?

The source here is the brand's formula and product description. That establishes what the product contains, rather than independently proving what snail mucin alone will do.

Spot it on the label

Look for Snail Secretion Filtrate.
A snail percentage is a formula detail, not a performance score.

So, is it a useful ingredient?

An ingredient to explore if you are interested in a snail-based formula; it is not essential to a skincare routine.

Common product types

essence

Sources

COSRX: Advanced Snail 96 Mucin Power EssenceChecked 2026-10-05