Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Cosmetic vs Drug Claims: The Legal Line

The distinction between a cosmetic and a drug under FDA rules is not based on the ingredient. It is based on the intended use, which the FDA determines primarily from marketing claims. The same molecule (GHK-Cu) can be a legal cosmetic or an illegal unapproved

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  • The distinction between a cosmetic and a drug under FDA rules is not based on the ingredient. It is based on the intended use, which the FDA determines primarily from marketing claims. The same molecule (GHK-Cu) can be a legal cosmetic or an illegal unapproved drug depending on what the seller says about it.