Provamed Acne Spot Gel 10gm Rapid Clear Acne Spot Gel for T-zone (for acne & acne pus) with salicylic polymerizations system. salicylic polymerizations system that works by controlling the delivery of salicylic acid to be released into the skin and causes continued performance and long life. Tea tree oil inhibits bacteria, reduces resistance and moisturizes the skin. Defensil reduces irritation. Mucopolysaccharides help restore collagen to complement the shallow acne and look smooth. tested if benign London free of substances that cause irritation and no ingredients that cause (non-comedogenic, silicone-free, alcohol-free, fragrance-free).