Invented in the 1980s, hydrocolloid is an occlusive, moisture-retentive dressing material backed by innumerable clinical trials, proven to quickly and effectively extract impurities and moisture from pimples that dwell close to the skin’s surface, or have a visible head. It creates a moist environment to extract pimple goo and regenerate skin, fast. In a randomized double-blind trial, the NCBI found hydrocolloid improved redness, oiliness and sebum levels.

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