What it is
Hydrocolloid is a moisture-retentive material widely used in wound healing and skincare. It contains gel-forming agents such as pectin, gelatin, or carboxymethylcellulose that interact with wound fluid to form a soft, protective gel. Originally designed for medical dressings, hydrocolloid has since been adopted into acne care as a gentle, effective way to support skin recovery.
How it works in skincare
When placed over a spot or broken skin, it absorbs excess oil, pus, and fluid while keeping the area moist, which encourages faster, cleaner healing. It shields the blemish from bacteria and pollutants and prevents picking or further irritation.
By creating a slightly occlusive barrier, hydrocolloid helps calm inflammation and flatten blemishes overnight. Some newer patches are infused with active ingredients such as salicylic acid or niacinamide to enhance their effect. They’re ideal for treating individual spots or protecting minor abrasions, promoting a calm and balanced complexion without stripping or drying the skin.