DIPHENHYDRAMINE HCL is graded A** (Safe) by Expert·ING, based on COSING regulatory data.
DIPHENHYDRAMINE HCL
Safety grade: A**
Diphenhydramine HCl is an antihistamine compound commonly found in over-the-counter allergy and sleep medications. In skincare products, it's used for its soothing properties to calm irritated skin.
This ingredient is used in cosmetics for its skin-soothing and anti-itch properties, helping to calm irritated or sensitive skin while also providing light conditioning benefits to hair and skin.
Graded using: COSING.
Last verified: May 26, 2026
Other Skin Conditioning ingredients
- TOCOPHEROL — Grade A
- PROPYLENE GLYCOL — Grade A**
- XANTHAN GUM — Grade A
- DIMETHICONE — Grade A
- TOCOPHERYL ACETATE — Grade A
- PANTHENOL — Grade A
- CAPRYLYL GLYCOL — Grade A
- ETHYLHEXYLGLYCERIN — Grade A