BHA Blackhead Power Liquid is clinically proven to reduce the formation of blackheads and excess sebum and hydrate the skin. With Betaine Salicylate, natural BHA ingredients, It strengthen both skin-safety and effect. Instead of using purified water, It made with White Willow bark water to strengthen both skin-safety and effect. Free of paraben, artificial colorant, artificial fragrance, triethanolamine and phthalein.