Hydrocolloid patch soothes inflammations with a mix of salicylic acid, tea tree leaf oil, and fireweed extract, while it effectively absorbs impurities from pimples to prevent scarring. They are designed with a beveled edge to provide almost invisible coverage and treatment for acne blemishes while protecting the spots from dust and bacteria. Heal acne in record time with these ultra-thin hydrocolloid patches designed to absorb dirt and impurities from your pimples.