What is the main ingredient in true acid and acid balanced waving lotions?
Glyceryl monothioglycolate GMTG
What consist of cohns?
Amino acids
What are the strongest side bonds
Disulfied bonds.
What process does not usually produce firm curl?
True acid waves
What perms absorbs heat from a source
Endothermic waves
What can also produce a body wave?
Low pH waves.
What is the long chain of amino acids joined together?
Polypeptide bonds.
What bonds are broken by change in pH
Salt bonds
What is also known as cold waves?
Alkaline waves
What does not evaporate as readily as ammonia, and has very little odor.
Ammonia free waves.
What is the tough exterior layer of the hair?
cuticle
What is the chemical bond that joins amino acids together?
Peptide bonds.
What bonds are broken by water or heat?
Hydrogen bonds
what is an active ingredient or reducing agent in alkaline perms?
Ammonium thioglycolate ATG
What uses ingredients such as cysteamine or mercaptamine?
Thio free waves
What is responsible for elasticity and strength?
Cortex
What is a long coiled polypeptide chains?
Keratin proteins
What is the two step process that hair under goes a physical and chemical change?
Permanent waving
What colorless liquid has a strong odor?
Thioglycolic acid.
What perms has a pH of 7.8-8.2
Acid balanced wave
What is the inner most layer of the hair?
Medulla
What are the bonds that cross link polypeptide chains together?
Side bonds.
waving solution breaks disulfide bonds through a chemical change called?
reduction
What chemical reaction produces heat?
Exothermic waves.
What hair service causes chemical change within the hairs natural wave pattern
chemical texture services.