PROLYL HISTAMINE HCL is graded A (Safe) by Expert·ING, based on COSING regulatory data.
PROLYL HISTAMINE HCL
Safety grade: A
This is a lab-created compound made by combining two amino acids—prolyl and histamine—that works to improve skin texture and appearance. It's designed to help skin feel smoother and look more refreshed.
This ingredient conditions and hydrates the skin, helping to improve skin softness, smoothness, and overall skin barrier health.
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