Cosmetics are substances applied to the skin that are either natural or chemically derived. Nutrients include lipids, polysaccharides, proteins, amino acids, steroids, peptides, and vitamins are found in most cosmetics and can help stimulate growth. Furthermore, the conditions surrounding the manufacture, handling, shipping, and storage of cosmetics all encourage the growth of microbes. Thus,...
English 
Arabic
French
Spanish
Portuguese
Deutsch
Turkish
Dutch
Italiano
Russian
Romaian
Portuguese (Brazil)
Greek