infections ,it is invisible, waterproof and breathable, perfect to attach on skin, not affect your out-looking. Special hydro colloid, can absorb secretions Sterilized, reduce the chance of bacterial infection Prevent UVB damage by physical, avoid pigmentation. More suitable for inflamed acne Feature: The acne patch will become white when it absorbs the secretions. The patch need to change immediately when it turns white completed. After cleaning the acne area, until the skin is completely dry, observe the status of acne first, then paste the patch. Usage/ how to use: Clean the acne area first, then paste a sizable acne patch. Due to acne patch can absorb secretions, it can speed up the recovery of acne. If you want to smear the ointment, please until the ointment is absorbed and then paste; Most acne ointment is oily nature, it is recommended not to use too much, otherwise it will affect the acne patch's effect.