Two sizes for isolating the pollution all day: Day use by 0.1mm hydrocolloid,0.1mm, ultra-thin design, transparent, blend in with the skin. It can prevent infection, secretly cover up acne, and is also suitable for use with makeup. The thickness for night use is 0.4mm, which can enhance the absorption of acne exudates and relieve swelling and pain. In addition, it can repair acne efficiently for sound sleeping.