Hair, skin, and nail science vocabulary plus sanitation rules tested on cosmetology state board exams.
44 cards · basic cards · AI-written, checked twice. Edit anything.
- What is the outermost layer of the hair shaft?
- Cuticle
- What protein makes up the hair shaft?
- Keratin
- What is the middle layer of the hair shaft?
- Cortex
- What is the innermost layer of the hair shaft?
- Medulla
- What is the hair growth phase where the hair actively grows?
- Anagen
- What is the transitional hair growth phase between anagen and telogen?
- Catagen
- What is the resting hair growth phase when hair remains attached but stops growing?
- Telogen
- The ability of hair to stretch and return to its original length is called what?
- Elasticity
- How easily moisture penetrates the hair is called what?
- Porosity
- What term describes the number of hairs per square inch on the scalp?
- Density
- What is the outermost layer of the skin?
- Epidermis
- What is the thick middle layer of the skin containing collagen and elastin?
- Dermis
- What is the innermost fatty layer of skin?
- Hypodermis
- What is the normal pH of healthy skin?
- 4.5 to 5.5
- What skin type is characterized by little sebum production?
- Dry skin