you carry out this test to check the internal strength of the hair
elasticity
water hating
hydrophobic
cuticle scales ly like this
overlapping
must always follow these
manufacturer instructions
IT IS ph 7
neutral
water loving
hydrophillic
the suspension is called
emulsion
opens the cuticle
alkali
if the product is not rinsed out thoroughly this amy cause a
barrier
restores PH balance
surface