BIOTRADE PURE SKIN exfoliating tonic with Azelainic and Glycolic Acid 60ml is a combination of Azelainic and Glycolic Acid that reduces the appearance of fine lines, scars and wrinkles, and diminishes the visible signs of skin aging. PURE SKIN gently exfoliates surface skin cells to reveal a softer, smoother, healthier looking complexion. Improves skin`s texture and radiance. Ideal for all skin types. When using the Pure Skin Tonic is good to know that it causes a light chemical peel, which is normal for skin to become red and after a few days to start gently exfoliates. Action of acids it feels like a slight stinging and burning, which goes up to several minutes. After 30 minutes you can apply Hydromask - deeply hydrating and revitalizing cream mask. It is not recommended 1 hour before and after using the Pure Skin Tonic using other cosmetic products because they could make an adverse reaction with acids and to enhance or neutralize their action. If your skin reacts very violently with strong redness and peeling is severe you should dilute the use of Pure Skin Tonic until you find the optimal schedule for you.Pure Skin Tonic is recommended for use in oily and acne prone skin, scarring and fine lines, improve texture and hydration of the skin, blackheads. Permanent peeling stimulates skin regeneration and collagen genesis so Pure Skin Tonic can be used constantly, but must be used and sunscreen with high SPF protection!