What is the primary purpose of shampoo surfactants?
a.To restore the hair's natural pH only
b.To attract and lift away oils and debris so water can rinse them away
c.To deposit color pigment into the cortex
d.To permanently rebuild the disulfide bonds in damaged hair
Explanation
Surfactants (surface-active agents) have a head that attracts water and a tail that attracts oil. They surround dirt and sebum and emulsify them so they can be rinsed away with water. They do not rebuild bonds or deposit permanent color.
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