Skin Anatomy
What is the outermost layer of the skin?
The epidermis
What skin type produces minimal oil and may feel tight?
Dry skin
What ingredient hydrates by attracting water to the skin?
Hyaluronic acid
What treatment exfoliates using a chemical solution?
Chemical peel
How long must tools be immersed in disinfectant?
According to manufacturer/state board guidelines
What cells produce melanin?
Melanocytes
What skin condition causes temporary redness due to dilated capillaries?
Erythema
Which ingredient exfoliates by dissolving dead skin cells?
Alpha hydroxy acids (AHAs)
What device uses suction to extract impurities?
Microdermabrasion
What type of disinfectant is approved for nonporous tools?
EPA-registered disinfectant
What glands produce oil?
Sebaceous glands
What condition results from excess oil and dead skin clogging pores?
Acne
What antioxidant is known for brightening and collagen support?
Vitamin C
What treatment stimulates collagen using needles?
Microneedling
What should be done if a client is bleeding?
Stop service and follow blood exposure procedures
What are the two main layers of the dermis?
Papillary and reticular layers
What chronic inflammatory condition causes silvery plaques and scaling?
Psoriasis
What ingredient helps regulate oil and reduce inflammation?
Niacinamide
What facial treatment uses electrical currents to stimulate muscles?
Microcurrent
What must be done to tools before they are disinfected?
Washed and rinsed
What epidermal layer is only present in thick skin like palms and soles?
Stratum lucidum
What condition is triggered by allergens or irritants and causes inflammation?
Contact dermatitis
What acne-fighting ingredient is oil-soluble and penetrates pores?
Salicylic acid
What advanced treatment uses radiofrequency with microneedling?
R F microneedling
What should you do if disinfectant solution becomes cloudy?
Discard and replace