Product Knowledge & Cosmetic Ingredients Flashcards

A client is allergic to nickel. Which category of cosmetic products is most likely to contain nickel traces as a contaminant?

Answer: Mineral and mica-based eyeshadows and pigments

Mica and mineral pigments can contain trace nickel as a natural contaminant, which is a concern for nickel-allergic clients.

What does 'INCI' stand for in cosmetic formulation?

Answer: International Nomenclature of Cosmetic Ingredients

INCI stands for International Nomenclature of Cosmetic Ingredients, the standardized naming system used on product labels globally.

Retinol, commonly found in anti-aging foundations, is a form of which vitamin?

Answer: Vitamin A

Retinol is a derivative of Vitamin A, known for stimulating cell turnover and collagen production in skin.

A makeup artist is selecting a long-wearing lip product. Which ingredient characteristic best predicts longevity?

Answer: Volatile silicones that evaporate and leave a film

Volatile silicones evaporate after application, leaving behind a transfer-resistant, long-wearing film on the lips.

Bismuth oxychloride in mineral cosmetics is known to cause which reaction in some clients?

Answer: Skin itching and irritation, especially with sweating

Bismuth oxychloride, a common mineral makeup ingredient, can cause itching and irritation in sensitive individuals, particularly when they sweat.

When a foundation is labeled 'buildable coverage,' this means the product can do what?

Answer: Be layered to increase coverage from light to full without caking

Buildable coverage means the formula can be layered to increase opacity without becoming cakey, offering flexibility from sheer to full coverage.