Oxy On The Spot 20g Oxy On The Spot is an effective treatment for spots & pimples on the face. The active ingredient (benzoyl peroxide) works by dissolving keratin, the material which blocks pores. It also has antibacterial activity against Propionibacterium acnes, the bacterium which can cause spots. Oxy understands that male skin is different because it's thicker, has a lower p H & contains larger sebaceous glands meaning it's more acidic & produces more oil (a major contributor to spots). That's why our team of experts have engineered a unique high performance range of products, specifically engineered to leave you with clean, fresh, shine-free skin. Result!