With a concave rod, the diameter_____ from the center to the ends
increases
a test done during a chemical relaxer to determine the processing time
processing strand
the main ingredient in a true acid wave
glyceryl monothioglycolate
the study of hair, its care, and disorders and diseases of the hair
trichology
a test done during the consultation to see how hair will respond to a chemical application
preliminary strand
the position of the tool in relation to its base; determined by the angle at which the hair is wrapped
base control
this product has an acidic pH that restores hair's natural pH after a hydroxide relaxer
normalizing lotion
___ means substances can mix
miscible
the protein building block for hair, skin, and nails
keratin
a form affirming your guest was advised of the potential risks of a chemical service
release statement
a loop or circle rod creates
spiral curls
a barrier applied around the hairline and ears to protect skin
protective cream
products that are made without formaldehyde, but can omit a formaldehyde gas upon use
formaldehyde free
the ability of hair to absorb any liquid
porosity
an allergic reaction caused by repeated exposure to a chemical
sensitization
chemically restoring disulfide bonds to harden into a new shape
neutralizing
a mild relaxer that is compatible with thio relaxers
ammonia bisulfite
mixing oil and water creates an example of a ___ substance
immiscible
the capability of the hair strand to stretch and return to its previous form without breaking
elasticity
any illness caused by overexposure to certain products or ingredients
occupational disease
chemically rearranging straight hair into a curly or wavy form
permanent waving
a relaxer that requires the mixing of two products and that is advertised as "no-lye" for sensitive skin
guanidine hydroxide
an organic compound present in many beauty products that has a strong pungent smell
formaldehyde
new hair growth from the scalp that has yet been chemically changed
new growth
would a clients age be a factor in determining if a chemical service should be performed
yes, we must take into consideration if they can sit for the service, can they handle the product, will their hair even take