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COSRX on the ingredient apps

One of COSRX's best sellers, read on five public ingredient databases: none got different verdicts from different databases.

SlipperSkin finding

Read on 21 and 23 October 2026, 0 of 1 COSRX products got different clean-or-flagged verdicts from EWG Skin Deep, INCIdecoder, SkinSAFE and Skincarisma; their mean EWG hazard score was 1 and mean Skincarisma score 96.

Part of our study of how ingredient apps disagree, now 88 products from 48 brands. Every figure below links to the page it was read from.

How do the ingredient apps rate COSRX?

They agree on every one. EWG Skin Deep scores hazard from 1 to 10 (1 to 2 is its low band); INCIdecoder names the ingredients it rates "icky"; SkinSAFE rates freedom from common allergens (100 is its top); Skincarisma scores from EWG's ingredient ratings out of 100. 1 of 1 get SkinSAFE's top rating.

COSRX: the verdict grid1 products, four databases, read 21 and 23 October 2026
COSRX Advanced Snail 96 Mucin Power Essence: EWG Skin Deep clean, INCIdecoder clean, SkinSAFE clean, Skincarisma cleanEWG Skin DeepINCIdecoderSkinSAFESkincarismaAdvanced Snail 96 Mucin Power...10 icky10096
Values in the cells are each database's own figure. Blush is flagged, glass is clean, dashed is not listed.

What does each database say, product by product?

COSRX Advanced Snail 96 Mucin Power Essence

Agreement: all 4 databases say the same. Fragrance-free on 5 of 5 databases. Read 21 October 2026.

EWG Skin Deep1 of 10Fair data, updated May 2024source
INCIdecoderrates no ingredient "icky"source
SkinSAFE100, its top ratingingredients updated Mar 04, 2026source
Skincarisma96 of 100, "Excellent"data updated Jun 2026source
SkinSorttags it fragrance-freesource
Where to buy

Find the COSRX products we checked on Amazon

As an Amazon Associate I earn from qualifying purchases.

Where the law stands: FDA says cosmetic ingredients, other than colour additives, need no approval before sale (FDA's ingredient page); California bans a named list of intentionally added chemicals (Health and Safety Code section 108980); and the EU keeps its own prohibited and restricted annexes (Regulation 1223/2009 on EUR-Lex). Check any ingredient in our ingredient files.

More: the full study · which ingredient app answers which question · all 48 brand files

Other brand files: Drunk Elephant · Sol de Janeiro · Benefit · Bobbi Brown

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