Skin Anatomy
Sanitation & Safety
Skin Types & Conditions
Treatments & Modalities
Ingredients & Product Knowledge
100

This is the outermost layer of the skin 

Epidermis

100

The lowest level of cleanliness used to reduce bacteria

Sanitation

100

Skin type characterized by excess oil production 

oily skin 
100

A treatment that exfoliates the skin using a chemical solution 

Chemical peel 

100

attracts moisture to the skin 

Hyaluronic  Acid 

200

This layer contains collagen, elastin, nerves, and blood vessels. 

Dermis

200
Kills most microorganisms but not spores 

Disinfection

200

Skin condition caused by inflammation of sebaceous glands

Acne

200

Manual exfoliation using a textured product

Mechanical exfoliation

200

Vitamin known for brightening and antioxidant benefits 

Vitamin C 

300

This structure produces sebum 

Sebaceous Gland

300

Destroys all microorganisms includes spores 

Sterilization 

300

Loss of skin elasticity and firmness is a sign of this condition

Aging Skin

300
A device treatment that exfoliates using crystals or a diamond tip

Microdermabrasion

300
An ingredient commonly used to treat acne by exfoliating inside the pores 

Salicylic Acid 

400

The skin's main protective protein found in the epidermis 

Keratin

400

These protect both the client and the esthetician from cross contamination. 

PPE aka personal protective equipment 

400

Uneven skin tone caused by excess melanin production 

Hyperpigmentation 
400

Uses electrical currents to improve product penetration

Galvanic current

400

An Ingredient used to calm and soothe inflammation

Aloe Vera 

500
This cell produces melanin 

Melanocyte

500
A bloodborne pathogen commonly discussed in esthetics. 

HIV / Hepatitis B 

500

Skin that reacts easily to products or environmental factors 

Sensitive skin
500
A treatment contraindicated for clients with active infections 

Facial (or chemical peels)

500

This ingredient strengthens the skin carrier

Ceramides

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