Chemical and sanitary: all kinds of soaps, toothpaste, shampoo, dishwashing liquids, washing powders, hair conditioners, hair sprays, all kinds of creams, hair dyes, hair bleaching powders, measurement of parabens in cosmetic products, measurement of nitrosamines, oxidants, glass cleaners, stove cleaning liquid, acidic liquids, lipstick, beeswax, pipe opener, cologne, mouthwash, mascara, eye pencil, nail polish, hair clippers, baby powder, etc.