Famous At What Age Do You Get Gray Hair References. A pigment called melanin determines your hair color. Changing the narrative around gray hair is important.

Genetics can play a role in when this starts. Body hair—including the eyebrows, pubic hair, and chest hair—usually grays much later than the hair on the scalp. Web according to a study by the british association of dermatologists, fifty percent of the population has about 50 percent gray hair by the age of 50.