But why does the act of shaving cause the darkening of skin? It turns out that due to the aggressive nature of hair removal again and again in that area, the skin can take on a darker color. ... When that irritation is repeated continually, it can actually darken your skin.

How do you get rid of blackness after shaving?

Try waxing or plucking.

Dark spots after shaving can be caused by freshly shaved hair follicles peeking out from just under your skin. If your dark spots are due to subsurface hair, consider waxing or plucking the affected area to remove dark follicles.

Does shaving make your underarms dark?

Shaving or plucking underarm hair too often may cause dark underarms, so moisturizing can be helpful to reduce underarm irritation. Always use a soap or shaving foam before shaving, and choose one for sensitive skin.