Chemistry in Barbering Quiz

Lakayla and Sam are learning about the science behind hair coloring. They want to know which of the following is a chemical reaction that occurs during the hair coloring process?

• Oxidation

• Neutralization

• Sublimation

• Condensation

Earl and Sam are discussing the best pH range for shampoos to maintain healthy hair. What is the ideal pH range they should consider?

• 2.0 - 3.0

• 4.5 - 5.5

• 7.0 - 8.0

• 9.0 - 10.0

Lakayla and Sam are discussing hair care products. Lakayla wants to add moisture to her hair. Which type of hair product should she use?

• Gel

• Conditioner

• Hairspray

• Mousse

Sam and Lakayla are studying hair care and want to know which layer of the hair structure is responsible for its strength and elasticity. Can you help them identify it?

• Cuticle

• Cortex

• Medulla

• Follicle

Earl and Sam are learning about hair treatments in their chemistry class. During a perm, which chemical reaction is primarily responsible for breaking the disulfide bonds in hair?

• Hydrolysis

• Reduction

• Oxidation

• Polymerization

Lakayla and Sam are conducting an experiment in their chemistry class. They need to determine the pH level of a solution that is considered neutral. What is the pH level of a neutral solution?

• 0

• 7

• 14

• 10

Earl is getting ready for a big event and wants his hairstyle to stay in place throughout the evening. Which hair product should he use to provide hold and structure to his hairstyle?

• Serum

• Hairspray

• Conditioner

• Shampoo

Lakayla is studying about hair care and wonders what the primary function of the cuticle layer in hair is. Can you help her understand?

• To provide color

• To protect the inner layers

• To absorb moisture

• To produce oil

Sam is learning how to properly care for hair after using a chemical relaxer. Which of the following describes the process of neutralizing the relaxer?

• Adding more relaxer

• Rinsing with water

• Applying a neutralizing shampoo

• Using a blow dryer

During a science experiment, Sam and Lakayla were testing the effects of different pH levels on hair samples. What did they observe when they applied an alkaline solution to the hair cuticle?

• It closes the cuticle

• It opens the cuticle

• It has no effect

• It strengthens the cuticle