Product Description
Retinol is known to be a molecule which improves the skin texture, dyspigmentation, dryness, and fine lines. The optimal concentration to balance the skin irritation against effectiveness has not been determined. Retinol concentration in the cosmetic product is between 0.0015% and 0.3%.
Products name :Tretinoin or Vitamin A Acid
INCI name: RETINOIC ACID
CAS No.: 302-79-4
Quality Standard: USP40
Recommended amount: 0.0015% and 0.3%
| BASIC ANALYSIS | |
| Analysis | Description |
| Appearance | Yellow to light yellow crystalline powder |
| Identification | Positive |
| Loss on drying | No more than 0.5% |
| Residue on ignition | No more than 0.1% |
| Heavy metals | No more than 0.002% |
| Isotretinoin | No more than 5% |
| Assay (C20H28O2) | 97.0-103.0% |
