Esthetician Practice Chemistry and Product 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 Chemistry and Product Ingredients Questions and Answers flashcards as text
What is the role of an emulsifier in a skincare formulation?
Answer: To blend oil and water phases into a stable mixture
Emulsifiers reduce surface tension between oil and water, allowing them to combine into a stable, uniform mixture.
Which alpha hydroxy acid is derived from sugar cane and is most commonly used in chemical peels?
Answer: Glycolic acid
Glycolic acid, derived from sugar cane, has the smallest molecular size among AHAs, allowing it to penetrate effectively for exfoliation.
What is the primary concern with using products that have a very high alkaline pH on the skin?
Answer: They disrupt the acid mantle and impair the skin barrier
High alkaline pH products strip the acid mantle, compromising the skin barrier and increasing vulnerability to irritation and infection.
Which ingredient is a broad-spectrum preservative commonly used to prevent microbial growth in water-based cosmetics?
Answer: Phenoxyethanol
Phenoxyethanol is a widely used broad-spectrum preservative effective against bacteria and some yeasts in cosmetic formulations.
What is the mechanism of action of retinoids in anti-aging skincare?
Answer: They increase cell turnover and stimulate collagen production
Retinoids bind to retinoic acid receptors in skin cells, accelerating cell turnover and boosting collagen synthesis to reduce signs of aging.
Which of the following is classified as an occlusive moisturizing ingredient?
Answer: Petrolatum
Petrolatum is a highly effective occlusive agent that forms a physical barrier on the skin to prevent transepidermal water loss.