
COSRX
Advanced Snail 96 Mucin Power Essence
The K-beauty hydration staple: 96% snail mucin in a lightweight, fragrance-free essence that most skin types tolerate, at a fair price.
A minimal, fragrance-free centella ampoule that soothes and hydrates for many sensitive-skin fans, though plenty find it does little.
Beauty score
#12 of 14 serums
Community
—/10
Made for: All skin types · Dry skin · Sensitive skin
Last reviewed November 2, 2026 by our editors · How we score
The verdict
A minimal, fragrance-free centella ampoule that soothes and hydrates for many sensitive-skin fans, though plenty find it does little.
SKIN1004 Madagascar Centella Ampoule is a watery, fragrance-free serum built around Madagascar centella asiatica extract in a seven-ingredient formula. The brand positions it as an all-rounder for soothing visible redness and hydrating sensitive, dry or delicate skin. Fans on Reddit describe it as cooling, fast-absorbing and comforting, while a vocal group says it did nothing noticeable and one user reported breakouts. It is inexpensive per milliliter, which makes it a low-risk soothing step.
Best for
What we love
Worth knowing
How it scored
Five factors, weighted for formulas. Here’s our working.
Beauty score out of 10. Brands can’t pay for placement — ever.
Users are split: some report soothing hydration for irritated skin, while several in an r/AsianBeauty thread on overhyped products said it did nothing or felt like water, and one reported breakouts.
A short, fragrance-free centella formula that is low-risk for sensitive skin, but it relies on a single botanical with no stated concentration and no supporting actives.
A light, cooling texture that absorbs quickly and layers easily, though a couple of users find it tacky or heavy under moisturizer.
$22 for 100 ml, with smaller 55 ml and 30 ml sizes, is inexpensive per milliliter for a daily soothing serum.
A K-beauty staple that Reddit users often recommend for sensitive skin, but a vocal group in r/AsianBeauty calls it underwhelming.
Beauty profile
Texture
Watery, lightweight ampoule; users describe it as cooling and fast-absorbing, though some find it slightly tacky
Format
Fragrance
Size
Key ingredients
Ingredient encyclopedia →What’s in it: Madagascar centella asiatica extract in a seven-ingredient base of water, glycerin and butylene glycol, per SKIN1004's US product page; no concentration is stated and no fragrance or essential oils are listed.
How to use
Drop an appropriate amount, apply evenly to the skin and pat to promote absorption.
Formulas change. Always check the packaging, and patch-test if your skin is reactive.
Creator video reviews
Real reviews, try-ons and wear tests from independent creators — verified with TikTok and YouTube and labelled when sponsored.
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What people say
Verbatim from Reddit, forums, blogs and the beauty press — linked, so you can read the whole thread.
5 verbatim quotes · 3 positive · 2 critical
Cooling and smooth and hydrating and my skin soaked it up so quickly I immediately applied a second layer. Where has this been all my life!?
When I stay home and don't mind my skin feeling a bit tacky, I use the SKIN1004 Centella ampoule. It's super moisturizing and soothing, hasn't clogged my pores.
SKIN1004 Madagascar Centella Ampoule: My skin loves it, soothing and hydrating!
it did absolutely nothing for me - wasn’t soothing or hydrating despite layering.
I used it every day for a year and a half and it did absolutely nothing. Nothing good, nothing bad. It was just like putting water on my skin
Price & value
Typical price
$22.00
for 3.38 fl oz / 100 ml
Per ounce
$6.51
About 61% less per ounce than the typical serums we review. Our value score: 8.6/10 for a mid-range pick.
Price checked November 2026 at a non-Amazon retailer. Prices change — retailers show the current one.
Where to buy
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Community
Ratings, skin types and the benefits people actually saw — logged on the Benefit Wheel.
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FAQ
SKIN1004's US product page lists seven ingredients: water, glycerin, butylene glycol, centella asiatica extract, 1,2-hexanediol, cellulose gum and ethylhexylglycerin. No fragrance or essential oils are listed.
The brand says it suits all skin types, especially dry and delicate skin, and positions it to help soothe visible redness and comfort sensitive-looking skin.
SKIN1004 says to drop an appropriate amount onto the skin, spread it evenly and pat it in. It is typically used after toner and before moisturizer.
No. Reddit discussion is split: some users call it soothing and hydrating, while others in a thread about overhyped K-beauty products said it did nothing noticeable, and one reported breakouts.
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