Dermalogica’s Deep Acne Liquid Patch is a sulfur-based, clear spot treatment designed to confront stubborn breakouts effectively. Featuring 5% Colloidal Sulfur and 4% Niacinamide, it penetrates deeply to combat acne while providing skin with a calm and cooling sensation.This vegan, cruelty-free formula transitions from a liquid to a nearly invisible patch, forming a protective barrier against pollution and bacteria. Gentle exfoliation from Lactic Acid and soothing Aloe extracts promote clearer, smoother skin, making it an ideal non-drying solution for those battling persistent acne and preventing future breakouts.