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
Nine Inch Nails Nine Inch Nails. However, Reznor typically forms a backing group of musicians to perform the songs in a live setting. This live band, also known as Nine Inch Nails, rearranges the band's studio catalog and creates a different sound than that of Reznor's studio recordings. Band members have occasionally been invited to participate in the recording process, but creative control within the studio has always been exclusively with Reznor. The Tapeworm project was created in 1995 as a Nine Inch Nails side-project between Reznor and various live-band members as a more "democratic" creative environment. The band initially included live band