Esthetician Practice Esthetics Chemistry and Ingredients Questions and Answers Flashcards
6 cards from real Esthetician Practice Exam practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Esthetician Practice Esthetics Chemistry and Ingredients Questions and Answers flashcards as text
Which ingredient is commonly used in chemical exfoliants to dissolve the bonds between dead skin cells?
Answer: Glycolic acid
Glycolic acid is an alpha hydroxy acid (AHA) that works by dissolving the intercellular cement between corneocytes, promoting exfoliation.
What is the primary function of an emulsifier in a skincare formulation?
Answer: To blend oil and water phases together
Emulsifiers reduce surface tension between oil and water, allowing them to form a stable, uniform mixture.
Which vitamin is also known as ascorbic acid and is used in skincare for its antioxidant and brightening properties?
Answer: Vitamin C
Vitamin C (ascorbic acid) is a potent antioxidant that inhibits melanin production and promotes collagen synthesis.
What pH range is considered optimal for the acid mantle of healthy skin?
Answer: 4.5 to 5.5
The acid mantle maintains a slightly acidic pH of 4.5 to 5.5, which helps protect against harmful bacteria and environmental stressors.
Which ingredient is a humectant that attracts moisture from the environment to the skin?
Answer: Hyaluronic acid
Hyaluronic acid is a powerful humectant capable of holding up to 1,000 times its weight in water, drawing moisture into the skin.
Salicylic acid is classified as which type of hydroxy acid?
Answer: Beta hydroxy acid (BHA)
Salicylic acid is a beta hydroxy acid that is oil-soluble, allowing it to penetrate into pores and treat acne effectively.