DIAMINOPYRIMIDINE OXIDE is graded B (Low Concern) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexIII-CONCENTRATION-.
DIAMINOPYRIMIDINE OXIDE
Safety grade: B
Diaminopyrimidine oxide is a synthetic compound that works as a conditioning agent in hair and skincare products. It helps soften and smooth both hair and skin by improving moisture retention and reducing friction.
This ingredient conditions and moisturizes hair and skin, making them feel softer, smoother, and more manageable while helping to lock in hydration.
Graded using: COSING.
- EU COSING — Restricted
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