What products contain sulfur — scientists have long called the sulfur “beauty mineral” — with its lack of skin, skin, nails and hair are very strong. It plays a rather big role in the production of energy, in blood coagulation, with its help the main protein is formed — collagen. In the human body, this mineral is mainly contained in the skin itself (in keratin and melanin), in our joints, muscles, hair and nails. The most important amino acids and a number of B vitamins contain this unique element.