Lactic acid is used as an acidulant, preservative and pH regulator in foods and beverages. In cosmetics, it serves as an exfoliating humectant. It is also used as a dehairing agent, a catalyst for phenolic resins and a biopolymer feedstock. The catalogue records food, cosmetic, pharmaceutical and technical grades. Packaging formats include 25 kg drums, 200 kg IBCs and 1000 kg IBCs. Food use as E 270 is subject to the applicable food-additive specification and permitted-use conditions. Cosmetic use is subject to the applicable cosmetic-ingredient conditions. Pharmaceutical use requires the applicable pharmacopoeia grade.