Benefits: Is a MD Prescriptives product that induces epidermal thickening for the treatment for extrinsic photo-ageing & the improvement of intrinsic skin ageing. Is a vitalising treatment for Melasma/Chloasma that helps with vitalization of the skin & improving the appearance of wrinkles & dark spots. Directions: Start usage of the Vitamin A Propionate every other day for 2 weeks, progressing to daily application thereafter. Apply to clean skin at night only. Rub onto the skin until the white film disappears. This step facilitates deeper penetrating action leading to enhanced results. Mild irritation is normal, skip a few days & restart every other day until full tolerance level is achieved. If pregnant or breastfeeding, consult with your physician before use. DermaShield SPF40/50 is essential for day use.