Which prescription retinoid is commonly used to treat acne?
Answer
Tretinoin
Which prescription retinoid is commonly used to treat acne?
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- Intermediate Intermediate difficulty.
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Which Japanese cosmetics company was founded by Arinobu Fukuhara in 1872?
Answer
Shiseido
- Easy Easy difficulty.
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Which fragrant substance used in perfumery is produced in the digestive system of sperm whales?
Answer
Ambergris
- Hard Hard difficulty.
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What cosmetic ingredient naming system is abbreviated INCI?
Answer
International Nomenclature of Cosmetic Ingredients
- Intermediate Intermediate difficulty.
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What does AHA stand for in skincare chemistry?
Answer
Alpha hydroxy acid
- Hard Hard difficulty.
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The invention of cold cream is credited to which second-century Greek physician?
Answer
Galen