Colorado Cosmetology Written Practice Exam

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Which statement is true regarding normal hair growth?

Applying conditioner speeds up growth
Frequent washing accelerates growth
Shaving or cutting does not impact growth
Using heat tools enhances growth

The correct answer is: Applying conditioner speeds up growth

The correct statement is that shaving or cutting does not impact growth. Hair growth is determined by the rate of cell division in the hair follicles, which is unaffected by the act of cutting or shaving. While it may appear that hair grows faster after a haircut due to the removal of split ends or the smoothing effect of a fresh cut, it does not actually change the rate of growth itself. Applying conditioner, frequently washing hair, or using heat tools also do not impact the intrinsic speed of hair growth. Conditioners can improve the appearance and manageability of hair, but they do not influence the biological processes responsible for hair growth.