The golden bottle contains nutrients and zinc to help preserve the beauty of skin, nails, and hair. Sulfur is an essential element for the synthesis of proteins essential for skin, nails, and hair: collagen, keratin, and elastin. Regarding collagen, vitamin C also contributes to its formation and protects cells from oxidative stress. Copper contributes to the normal pigmentation of hair, while zinc has a global action on skin, nails, and hair.