Environ Focus Care Youth + Concentrated Retinol Serum 1 introduces the highest levels of vitamin A. It stimulates the fibroblast for healthy collagen and elastin production, reduces melanin production, and thickens the Epidermis. Also helps to balance oil production. Use 2 to 3 bottles before attempting Retinol Serum 2. It is the first step in the Retinol serums. Only used on the skin when acclimatised to Skin Essentia AVST 5 / or Youth Essentia Vita-peptide Intensive serum 4 Plus and Vita-Peptide Antioxidant Defence Creme Plus. Promotes production of healthy collagen and elastin Improves the skin’s natural moisturising factors Rejuvenates the skin Effectively improves pigmentation, photo-aged skin, scarring, pigmentation and acne HOW TO USE: Introduce slowly. Cleanse and tone, apply in a thin layer and allow to dry. Follow with appropriate/recommended Environ Vitamin A cream and SPF. Alternative mix all products together and apply.