Promptly (in some cases within 24 hours), their gums began to harden, and healthy new tissue began to form the outer keratin layer, forming "a coat of armor" against bacteria.
Linus Pauling deciphers the molecular structure of the protein keratin.
Austin Style with Ron King: Keratin treatments Ron King talks about a very popular, but also hotly debated hair treatment, Keratin Treatments. Ron breaks down the pros and cons of the treatment.
June 22, 2013 - KVUE-TV Austin