Cosmetology Test Review 2

Question 1

Which layer of the skin contains the melanocytes responsible for skin pigmentation?

Accepted Answer

Stratum basale

Answer

Melanocytes are located in the stratum basale (basal layer), the deepest layer of the epidermis.

Question 2

When performing a patch test for hair color, results should be read after:

Accepted Answer

24–48 hours

Answer

A patch test for hair color should be evaluated 24–48 hours after application to detect allergic reactions.

Question 3

The process of removing the cuticle from around the nail plate is called:

Accepted Answer

Pterygium removal

Answer

Pterygium is the overgrowth of skin that adheres to the nail plate, and its removal is part of professional nail care.

Question 4

Which chemical process permanently breaks and reforms the disulfide bonds in hair?

Accepted Answer

Permanent waving with ammonium thioglycolate

Answer

Ammonium thioglycolate in permanent waving solutions breaks disulfide bonds, which are then reformed in a new shape by the neutralizer.

Question 5

What is the primary purpose of a toner in haircoloring?

Accepted Answer

To add deposit-only color to pre-lightened hair

Answer

Toners are deposit-only color products applied to pre-lightened hair to achieve desired pastel or neutral shades.

Cosmetology Test Practice Test