For example, people may use glycolic acid as a chemical peel to help manage acne ... older research where a topical treatment containing 15% glycolic acid and 2% salicylic acid was effective ...

The tested farm manure was fermented and decomposed cow dung (total nutrient content is not less than 45%, N, P, K nutrient ratio is 15∶15∶15), which is a traditional bio-organic fertilizer commonly ...