COSRX Advanced Snail 96 Mucin Power Essence

This is the main skin-conditioning active in the formula, helping hydrate, support a smoother feel, and give the product its soothing/repair-oriented profile. People looking for a lightweight essence or serum for dehydration, dullness, or post-irritation comfort are the most likely to notice benefits.

Generally well tolerated on face skin, but animal-derived ingredients can occasionally trigger sensitivity in very reactive users. Use caution near the eye area if you know you sting easily; it is usually compatible with both AM and PM routines.

very sensitive or animal-derived-ingredient avoidant skin

Známé také jako: Snail Mucin

A humectant that helps the skin hold water and can reduce the tight, dry feel of a formula. In this product it supports a softer, more cushiony finish and helps balance the stronger preservative system.

Usually very well tolerated on facial skin, including sensitive skin, and is fine for AM or PM use. Eye-area proximity is generally acceptable, though any leave-on product can sting if the skin barrier is compromised.

Známé také jako: Trimethylglycine

A solvent and humectant that helps dissolve and deliver ingredients while also adding light hydration. Practically, it improves spreadability and can make the serum feel less sticky than heavier moisturizers.

Generally safe for face use and commonly used in leave-on products, including AM and PM routines. Sensitive or very compromised skin may feel mild stinging, especially near the eyes, but this is not common.

very reactive or barrier-impaired skin

This ingredient helps preserve the formula and can also add a little solvent/humectant support. It matters because it helps keep the product stable and usable without relying on heavier preservative loads.

Generally safe in facial skincare, but it can sting on very sensitive or freshly exfoliated skin. It is usually compatible with both AM and PM use and is not a special pregnancy concern at typical cosmetic levels.

very sensitive or broken skin

Známé také jako: Hexanediol

A texture-building polymer that thickens the formula and helps create a smooth gel-like feel. For the user, this improves spread, reduces runniness, and can make the serum feel more cushiony and controlled.

Generally safe for facial use and not an active irritant for most people. It is fine for AM/PM use and usually low risk around the eye area, though any gel can migrate and sting if it gets into the eyes.

A preservative that protects the product from microbial contamination. This matters because it helps the formula stay safe and stable over time, especially in a water-based leave-on product.

Generally safe at cosmetic use levels, but it can irritate very sensitive skin or sting near the eyes. It is compatible with AM and PM use; pregnancy concerns are not typical at standard cosmetic concentrations.

very sensitive skin and eye-area application

A classic humectant that binds water to the skin surface and helps reduce the look and feel of dehydration. In this formula it supports plumper, more comfortable skin and complements the snail-based hydration profile.

Usually very well tolerated, including by sensitive skin, and suitable for AM or PM use. Eye-area proximity is generally fine, though it can feel tacky if overapplied.

Známé také jako: Hyaluronic Acid

A soothing skin-conditioning ingredient that can help reduce the feel of irritation and support a smoother surface. In this product it adds a calming note to the hydration-focused formula.

Generally safe and often suitable for sensitive skin, including in leave-on facial products. It is usually fine for AM/PM use and near the eye area, though any product can irritate if it gets directly into the eye.

Známé také jako: Soothing agent

This is likely included as a solvent and preservative-support ingredient, helping the formula stay stable and improving how other ingredients are dispersed. In practical terms, it is a supporting ingredient rather than a headline active.

Generally used at low levels in cosmetics, but it can be mildly irritating for very sensitive or compromised skin, especially near the eyes. It is typically compatible with AM and PM use; pregnancy-specific concerns are not usually raised at cosmetic levels, though evidence is limited for any special claim.

very sensitive skin or eye-area application

Známé také jako: 1,2-ethanediol derivative

A gelling and thickening agent that gives the product its smooth, stable serum texture. It matters because it helps suspend ingredients evenly and makes application more elegant and less watery.

Generally safe for facial use and not considered an active irritant for most users. It is fine for AM/PM routines and usually low risk around the eyes unless the product physically gets into them.

A humectant and skin-conditioning ingredient that helps reduce dryness and supports a calmer, more comfortable feel. In this formula it adds barrier-friendly hydration and helps the product suit dry or easily irritated skin.

Generally very well tolerated on the face, including by sensitive skin, and suitable for AM or PM use. Eye-area proximity is usually fine, though direct eye contact can still sting.

Známé také jako: Provitamin B5

An amino acid used here mainly to help adjust pH and support the formula's overall skin feel. It can also contribute a small amount of conditioning, which matters in a leave-on product designed to feel gentle.

Generally safe for facial use and usually well tolerated, including in sensitive-skin formulas. It is compatible with AM and PM routines and is not a typical pregnancy concern.

The main solvent and base of the formula, dissolving and carrying the other ingredients. It matters because it determines the product's lightweight, water-based character.

Safe for facial use and compatible with all routine timings. The main practical issue is not the water itself but how the full formula behaves on your skin.

Známé také jako: Water

A second water listing, likely reflecting the formula's aqueous base or labeling convention. Practically, it reinforces that this is a water-based leave-on product with a light texture.

Safe for facial use and compatible with AM and PM routines. As with Aqua, the relevant safety profile comes from the full formula rather than water itself.

Známé také jako: Water