Solgar Skin, Nails & Hair With MSM.

It is a supplement containing zinc, copper, and vitamin C.

The normal color and appearance of this product may change over time in a way that will not affect the product quality.

Copper contributes to normal hair and skin pigmentation.
"Copper contributes to the preservation of normal connective tissues."
"Zinc contributes to the maintenance of normal hair, normal nails, and normal skin."
"Vitamin C contributes to the normal formation of collagen, which is necessary for the normal functioning of the skin."
"Copper, zinc, and vitamin C contribute to protecting cells from oxidative stress."