Spa Fundamental’s Glycolic Acid is formulated using the purest form of Glycolic Acid making it an effective Anti-Aging tool. It has one of the highest percentage of Glycolic Acid in each bottle compared to the rest of the market. It improves the appearance of sun damaged skin and fights skin aging as well as improving the elasticity, firmness, and skin texture. Glycolic Acid increases collagen synthesis and reduces the appearance of fine lines and wrinkles. It promotes the cycle of skin shedding and regrowth.