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.
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
clean on that database
flagged
not listed
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.