Our Kuyu pen contains acetic acid and glycerol. It can effectively treat various skin problems, fundamentally solve warts, soften keratin dissolution, while moisturizing and removing aging keratin, making the skin smooth and delicate. Its usage is simple: wipe the affected area clean, take out this product and apply it evenly to the affected area, remember not to apply it to healthy skin. If there is a hard layer of skin on the surface of the affected area, it can be slightly trimmed and applied to promote penetration. After continuous use for 3-5 days, the warts will naturally fall off. Fade black moles, flesh moles, corns, etc., deeply cleanse, repair and smooth the skin.