Florida cosmetology state board (clinical) Complete Solutions []

thio-free waves - ️Perm that uses an ingredient other than ATG as the primary reducing agent, such as cysteamine or mercaptamine. Hydrogen bonds - ️Very weak side bonds; that are the result of attraction between opposite electrical charges. Easily broken by water or heat. Reform as the hair dries or cools. Accounts for 1/3 of hairs total strength Salt bonds - ️Weak physical side bonds (cross bonds) easily broken by change in pH; reform when pH balance is restored. Accounts for 1/3 of hairs total strength. Substitutes for ammonia in permanent waving solutions: - ️Aminomethylpropanol (AMP) Monoethanolamine (MEA) ammonia-free waves - ️Perms that use an ingredient that does not evaporate as readily as ammonia, so there is very little odor associated with their use. (AMP or MEA)