Pure, unbuffered glycolic acid promotes precise exfoliation while lilac plant stem cells help improve elasticity, radiance, and hydration. Enhanced with EGF, skin is boosted with increased strength and resilience. This is an ideal treatment for those with thick, hyperkeratinized, and always start with Glycolic Acid Peel 30% and 40% before proceeding with this formula, photodamage and hyperkeratinization.