Our Keyu Care pens contain Asiaticum extract, matrine extract and tea tree oil. It can quickly remove acne and warts, the effect is remarkable; The herbal ingredients are mild and non-irritating, suitable for all skin types and help reduce itching and discomfort caused by moles and warts. The way to use it is simple: 1. First thoroughly clean and dry your skin. 2. Rotate the end of the pen so that the solution flows to the tip. 3. Gently apply warts and skin tags with the tip of a pen. 4. Gently massage until fully absorbed. Suitable for many types of skin warts, promote skin health. No residual ingredients, skin feels comfortable after use.