Hair coloring by lay people may not be sufficiently accurate. Hair that has been damaged by excessive exposure to chemicals is considered "over-processed". This results in dry, rough and fragile hair. In extreme cases, the hair can be so damaged that it breaks off entirely. The main cases of hair breakage are: Lack of moisture and oils, poor diet, stress, over processing or illness. Skin and fingernails are made of a similar type of keratinized protein as hair. That means that drips, slips and extra hair tint around the hairline can result in patches of discolored skin. This is more common with
African-American hair to as "razor bumps", many prefer not to shave. The Afro-American culture is increasingly embracing natural hair, contributing much to society and media. Such as in art, music, poetry, and other forms of media. From textile artist Sonya Clark, singer Solange Knowles, poet Maya Angelou, and actress Lupita Nyong'o. Also on social media there is an uprising of natural YouTube channels, and blogs. The natural hair community has grown so much they even have their own vocabulary and acronyms. Including in all these different forms of media they are embraced their natural hair, skin, and being. The Natural hair movement