Mind-blowing Product.. very professional delivery.. up-to time delivery.. @ Precautionary Advice.. This is a pure Glycolid Acid and Highly concentrated,, not for facial use.. 70% concentrated Solution is used for body (Hands, Chest, Waste, Hips and other parts).. kindly dilute it up-to 35% if you would like to use it for face.. kindly ask me for simple mathematics to dilute it to any concentration.. cost effective product and quality wise ,far better than renowned products like ASDM, SKIN OB...