Cosmetology Domain 3: Skin Care and Services Welcome to your Cosmetology Domain 3: Skin Care and Services 1. Cosmetology: Skin Care and Services What is the primary function of the stratum corneum in the skin's epidermis? A. To produce melanin for skin color B. To regulate body temperature C. To serve as a barrier to environmental damage D. To secrete sweat and control body odor None 2. Cosmetology: Skin Care and Services Which of the following ingredients is commonly used in products to improve skin hydration by attracting water to the skin? A. Salicylic acid B. Hyaluronic acid C. Benzoyl peroxide D. Retinol None 3. Cosmetology: Skin Care and Services What skin condition is characterized by redness, visible blood vessels, and sometimes acne-like bumps, primarily affecting the face? A. Eczema B. Rosacea C. Psoriasis D. Dermatitis None 4. Cosmetology: Skin Care and Services In professional skin care, what is the purpose of performing a patch test before certain treatments? A. To determine the skin's hydration level B. To identify any potential allergic reactions to products C. To assess the skin's elasticity and firmness D. To measure the depth of wrinkles and fine lines None 5. Cosmetology: Skin Care and Services Which of the following is a primary benefit of using retinoids in skin care? A. To decrease sebum production B. To accelerate cell turnover and improve skin texture C. To provide immediate hydration D. To protect the skin from UV damage None 6. Cosmetology: Skin Care and Services What is the primary effect of alpha hydroxy acids (AHAs) on the skin? A. To thicken the dermis and reduce wrinkles B. To act as a physical exfoliant C. To provide deep hydration D. To serve as a chemical exfoliant, removing dead skin cells None 7. Cosmetology: Skin Care and Services What is the primary concern when performing services on clients with couperose skin? A. Over-moisturizing B. Physical exfoliation C. Heat exposure and manipulation that can exacerbate redness and irritation D. Use of oil-free products None 8. Cosmetology: Skin Care and Services Which facial treatment is primarily aimed at extracting comedones? A. Microdermabrasion B. LED light therapy C. Deep cleansing facial D. Oxygen facial None 9. Cosmetology: Skin Care and Services What is the function of melanin in the skin? A. To produce sebum B. To protect against UV radiation C. To regulate temperature D. To provide hydration None 10. Cosmetology: Skin Care and Services What is a contraindication for microdermabrasion treatments? A. Oily skin B. Active acne C. Mild hyperpigmentation D. Fine lines None 1 out of 10 Time is Up! Time's up
