Why does facial hair make the skin dark? Hair is naturally dark (for most people) so it will cast a shadow (five o'clock shadow) For women our skin is very delicate and hair is a hard keratin. When it pokes through the skin (this is unnatural) it alerts the body to release melanin as a bandaid. Multiple hairs mean multiple bandaids (dark spots) Improper hair removal: shaving, tweezing causes a similar trauma response of releasing melanin to heal the skin. *shaving is exfoliation and needing to d