Tdlr Cosmetology

What type of current is used by most handheld hair dryers in cosmetology?

• Direct Current (DC)

• Alternating Current (AC)

• Static Electricity

• Galvanic Current

What type of current is used by most handheld hair dryers in cosmetology?

• Direct Current (DC)

• Alternating Current (AC)

• Static Electricity

• Galvanic Current

Which of the following is a primary function of the skin in cosmetology?

• Protection against pathogens

• Production of red blood cells

• Digestion of food

• Transmission of nerve impulses

What is the pH level of a neutral solution, which is important in cosmetology for skin and hair products?

• 0

• 7

• 14

• 5

Which layer of the skin is primarily responsible for the production of new skin cells?

• Epidermis

• Dermis

• Hypodermis

• Stratum corneum

In cosmetology, which vitamin is known for its antioxidant properties and is often used in skincare products?

• Vitamin A

• Vitamin C

• Vitamin D

• Vitamin K

What is the main component of hair that gives it strength and structure?

• Keratin

• Collagen

• Elastin

• Melanin

Which of the following is a common method for sterilizing cosmetology tools?

• Boiling

• Autoclaving

• Freezing

• Drying

What is the role of melanin in the skin?

• Provides elasticity

• Gives color

• Produces oil

• Regulates temperature

Which of the following is a common ingredient in exfoliating products used in cosmetology?

• Salicylic acid

• Glycerin

• Lanolin

• Petrolatum