Yellow acicular crystalline;
Assay:99%
Derivatives of retinol have the function of regulating the metabolism of epidermis and stratum corneum. It can resist aging, reduce sebum overflow, desalinate epidermal pigment, prevent skin aging, prevent acne, whiten and lighten spots. At the same time, it greatly reduces the irritation of retinol, which is currently used for anti-aging and prevention of acne recurrence.