INCI Name: Hydroxypinacolone Retinoate.
Color: Yellow Crystalline Powder
CAS NO.: 893412-73-2
Molecular Formula: C26H38O3
Molecular Weight: 398.578
Testing: Ensure COA includes purity (HPLC ≥98%) and heavy metals (Pb/As <1ppm).
Solubility: Oil-soluble (dissolve in squalane, jojoba oil, or emollient phase).
Storage&Package: Susceptible to oxidation, use airtight packaging (amber glass/airless pumps).
Who Should Use HPR?
Beginners to retinoids (gentler introduction).
Sensitive skin types prone to irritation.
Anti-aging seekers wanting results without downtime.
Acne-prone skin needing blemish control.
Typical Concentration: 0.1–1% in serums/creams.
Tip: Pair with niacinamide or hyaluronic acid to boost hydration and barrier support.
Some recommendation for using dosage for Hydroxypinacolone Retinoate (HPR) Powder As Cosmetics Raw Material:
1. Serums (0.1–1% HPR): Paired with antioxidants (vitamin C, ferulic acid).
2. Night creams (0.2–0.5% HPR): Combined with peptides or ceramides.
3. Eye creams (0.1–0.3% HPR): Gentle enough for delicate skin.
4. Spot treatments (1–2% HPR): With niacinamide or salicylic acid.
5. Brightening serums (0.3–0.8% HPR): With arbutin or tranexamic acid.
