| Brand name | PromaCare® RET50B |
| CAS No. | 68-26-8; 9005-64-5; 128-37-0; 25013-16-5 |
| INCI Name | Retinol; Polysorbate 20; BHT; BHA |
| Application | Serum, lotion, cream, night-care and other anti-aging skincare formulations |
| Package | 1 kg/pcs; 5 kg/pcs |
| Appearance | Yellowish to orange liquid |
| Function | Anti-wrinkle; Firming; Fine-line reduction; Skin tone improvement; Skin barrier support |
| Retinol Assay % | 45–55% |
| Shelf life | 2 years |
| Storage | Protect from light, keep tightly sealed and refrigerated (recommended 2–8°C) |
| Dosage | 0.01–2.0% |
Application:
PromaCare® RET50B is suitable for anti-aging skincare formulations such as serums, lotions, creams and night-care products. For formulation, add after emulsification when the temperature has cooled below 40°C, and protect the product from light during processing.
Key Benefits:
High-concentration retinol system
Contains 45–55% Retinol, providing a concentrated and convenient retinol source for anti-aging formulations.
Stabilized antioxidant system
The BHT/BHA combination helps inhibit oxidative chain reactions and contributes to excellent thermal stability of the retinol system.
Multi-dimensional anti-aging benefits
Retinol supports skin renewal and helps improve firmness, reduce the appearance of fine lines and wrinkles, improve uneven pigmentation and strengthen the skin barrier.







