Hero Mighty Patch The Original 24 Hydrocolloid Patches are night patches that absorb the impurities of the pimple in 6 to 8 hours, to promote healing, making the pimple less visible as soon as you wake up. It comes in the form of a small round strip, perfectly adapted to the size of the pimple. It is composed of a hydrocolloid matrix to naturally absorb the exudate and impurities of the acne pimple, and a breathable polyurethane film to protect the pimple from impurities. They are particularly effective on white pimples. Not suitable for cystic acne and blackheads. Dermatologically tested.