Incredible Vitamins For Thinning Hair Female References. “vitamin d is metabolized in the skin by keratinocytes, skin cells that produce keratin,” she says. Dawn davis, a mayo clinic dermatologist, explains in this mayo clinic minute.

And while the signs might not be as obvious as in men, about 55% of women experience some hair loss by the time they're 70. Web one study among women with hair loss found that 50 mg daily of zinc improved hair thickness. Here's what you can do.