HYDRCLD NVSBL PMPL PTCHS 18CT. Benefits: Patch it, clear it, FAST. This undetectable patch helps to draw out gunk, unclog pores & reduce the appearance of redness while protecting the skin. Designed to seamlessly blend into all skin tones without trace, it visibly blurs the skin to lessen blemish appearance & layers perfectly under makeup. Key Ingredients: 99% Hydrocolloid: Extracts gunk, flattens imperfections appearance, and creates a protective seal.. 0.4% Salicylic Acid: Exfoliates to unclog pores and visibly reduce blemishes. 0.4% Succinic Acid: Reduces the appearance of redness and excess oil. Research Results: Clinically proven to visibly reduce breakouts in 4 hours*. Clinically proven to instantly blur breakouts*. Clinically proven to reduce appearance of redness in 8 hours*. *Clinical study of 19 people.