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In permanent waving, when hair has assumed the desired shape, the broken disulfide bonds must be reformed how?
Give an example of a physical change that results from breaking and reforming the hydrogen bonds within the hair?
On base placement
What will result in a subsection of hair being wrapped at an angle 45 degrees beyond perpendicular to its base section?
Half-off base placement
What will result in a subsection of hair being wrapped at a 90 degree angle to base?
It will be too weak to hold a firm curl
What happens to the hair if too many disulfide bonds are broken in the permanent waving process?
5 to ten
After the permanent waving lotion has penetrated the hair, most of the processing will take place within how many minuets?
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