hair perming Flashcards
what are the 3 stages of perming?
softening,moulding and fixing
what is the perming process known as?
reduction
what is the neautralsing process known as?
oxidation
what can be used to aid the development time of the perm process?
accelerator
what percent of disulphide bonds should be broken by the perm lotion?
20%-25%
what is the active ingredient in an alkaline perm solution?
ammonium thioglycolate
what is the active ingredient in neutraliser?
sodium bromate
what is the active ingredient in an acid perm?
glycerol monothioglycollate
what is the ph of neautraliser?
3-5
what is the ph of an alkaline perm?
8.5-9.5
what is the ph of an acid perm?
6-7
what bonds are broken down only by perming products?
di-sulphide bonds
prior to perming solution being applied to the hair, what are the disulphide bonds known as?
cystine
After perming solution has been applied to the hair, what are the disulphide binds known as?
cysteine
what is the name of the protein hair is made from?
keratin