Do you need Pimple patches? You are in the right place. Hydrocolloids are water retention bandages like gelatin. Due to its hydrophilic nature, it absorbs body fluids from the wound and creates a moist environment without drying out the wound. It has excellent waterproofing ability. For more information, you can call us at +82.10.8235.8541. See more: https://www.veganhydrocolloid.com/hydrocolloid-acne-patches