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Phenoxyethanol is capped at 1.0% in EU cosmetics when used as a preservative (Annex V No 29). The US has no federal cap. Here is the exact rule, the labelling, and the mistakes we see in formula sheets.

The EU caps vitamin A in cosmetics at 0.05% retinol equivalent in body lotion and 0.3% in other leave-on and rinse-off products (Annex III No 376), and mandates a vitamin A warning on the label. The US has no federal cap.

Salicylic acid is a cosmetic ingredient until the label claims acne treatment. Then it is an OTC drug under 21 CFR 333.310, at 0.5–2%, with Drug Facts. Here is where the line sits and how to label each side.

The EU caps salicylic acid at 3.0%, 2.0% or 0.5% depending on product type (Annex III No 98). The US sets no cosmetic limit but treats acne claims as a drug at 0.5–2%. Side-by-side table and label rules.