Ch 20 Milady Chemical Texture Services

Emely and Alondra are learning about the science behind hair treatments. They are curious about the four chemical reactions that take place during permanent waving. Can you explain these reactions?

• Reduction, Oxidation, Neutralization, Hydrolysis

• Reduction, Neutralization, Polymerization, Hydrolysis

• Oxidation, Reduction, Neutralization, Polymerization

• Reduction, Oxidation, Polymerization, Hydrolysis

Elizabeth and Amy are discussing hair treatments. Elizabeth asks, "Can you explain the difference between an alkaline wave and a true acid wave?"

• An alkaline wave is stronger than a true acid wave.

• An alkaline wave requires heat to process, while a true acid wave does not.

• An alkaline wave has a higher pH than a true acid wave.

• An alkaline wave is used for color-treated hair, while a true acid wave is not.

Natalie is learning about hair treatments in her cosmetology class. She wants to understand the purpose of neutralization in permanent waving. What is the purpose?

• restore the hair's natural pH balance

• add color to the hair

• straighten the hair

• moisturize the hair

Alondra is learning how to perm hair safely and effectively. What should she focus on?

• Using the right perm solution and timing

• Ignoring hair type and condition

• Applying excessive heat

• Skipping neutralization step

Emely and Ashley are learning about hair care in their cosmetology class. They discover that thio relaxers straighten the hair by:

• breaking and reforming the disulfide bonds in the hair

• coating the hair with a protective layer

• adding moisture to the hair

• removing natural oils from the hair

Alison and Jada are learning about hair care in their cosmetology class. They are curious about how hydroxide relaxers work to straighten hair. Describe how hydroxide relaxers straighten the hair.

• By breaking disulfide bonds in the hair

• By coating the hair with a protective layer

• By adding moisture to the hair

• By changing the hair's color

Natalie and Jada are learning about safe and effective hydroxide relaxing techniques in their cosmetology class. What should they always do before applying hydroxide relaxers?

• Hydroxide relaxing should be done without gloves.

• Always perform a patch test before applying hydroxide relaxers.

• Use metal combs for applying hydroxide relaxers.

• Do not follow the manufacturer's instructions.

Litzy and Ashley are learning about hair styling techniques. Describe curl re-forming and how it restructures the hair.

• Curl re-forming is a process that restructures the hair by breaking and reforming the bonds in the hair shaft.

• Curl re-forming involves cutting the hair to create new curls.

• Curl re-forming is a natural process that occurs without any chemical treatment.

• Curl re-forming is a temporary styling technique that uses heat to create curls.

Litzy and Kendra are planning to attend a special event and want to change their hairstyles. They decide to visit a salon for a treatment that will:

• straighten hair permanently

• curl hair temporarily

• curl hair permanently

• straighten hair temporarily

Elizabeth and Alondra are discussing different hair styling techniques. Elizabeth asks, "What does relaxing in hair styling refer to?"

• a method to curl hair

• a technique to straighten hair

• a way to add volume to hair

• a process to color hair