The "permanent" part of adding wave in hair is primarily due to:
A) rearrangement of hydrogen bonds between hair fibers.
B) reestablishment of new ionic interactions between hair fibers.
C) breaking and reforming peptide bonds in the hair polypeptides.
D) rearrangement of hydrophobic interactions in hair fibers.
E) reduction and re-oxidation of disulfide bonds in hair fibers.

Question

Quizplus · Accepted Answer

Permanent wave in hair involves reducing the disulfide bonds in hair fibers using a chemical such as thioglycolic acid. This allows the hair to be reshaped and set in the desired wave pattern. Once the hair has been reshaped, the disulfide bonds are re-oxidized to reinforce the new shape, resulting in a permanent effect.

The "Permanent" Part of Adding Wave in Hair Is Primarily