Cosmetics Waxes Quiz

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Which type of fats are combined with glycerin and known as tri-glycerides?

Animal fats

Artificial fats

Processed fats

Vegetable fats (correct)

What effect does hydrogenation of unsaturated fatty acids have?

Improves color and eliminates odor (correct)

Increases rancidity

Reduces melting point

Decreases stability

In cosmetics, which oil is used as a solvent for eosin and imparts spreading quality?

Soybean oil

Almond oil

Castor oil (correct)

Olive oil

Which oil is rich in phytosterol, lecithin, and vitamins A, B, C, and E, making it valuable for body massage?

Avocado oil Signup and view all the answers

What is the main characteristic of ceresin?

It is a purified crude ozokerite Signup and view all the answers

Which acid is also called vitamin F and occurs in some fats?

Iso-linoleic acid Signup and view all the answers

What is the main reason waxes are used in cosmetics?

All of the above Signup and view all the answers

What is the key difference between saturated and unsaturated fatty acids?

Saturated fatty acids are solid at room temperature, while unsaturated fatty acids are liquid at room temperature Signup and view all the answers

What is the physical state of oleic acid at room temperature?

Liquid Signup and view all the answers

What is the main use of myristic acid?

It is used as a constituent in soaps and shaving creams Signup and view all the answers

What is the purpose of the saponification value of fatty acids?

It measures the amount of alkali required to saponify the fatty acids Signup and view all the answers

What type of pH do emulsions produced by cationic emulsifiers tend to have?

Acidic Signup and view all the answers

Which type of emulsifier does not ionize?

Non-ionic emulsifiers Signup and view all the answers

What properties should preservatives in cosmetics have?

Cheap Signup and view all the answers

What is a common use of perfumes in cosmetics?

Enhance the fragrance of the product Signup and view all the answers

Which type of chemicals are typically used as preservatives in cosmetics?

Esters of p-hydroxy benzoic acid Signup and view all the answers

Which category of perfumery materials are musk, civet, and ambergus commonly classified under?

Animal source Signup and view all the answers

Which of the following is NOT a characteristic of non-ionic emulsifiers?

Tendency to ionize Signup and view all the answers

What is the general trend in the usage of perfumery materials due to their high cost?

Increasing usage Signup and view all the answers

Which range of volatility on a scale of 1-100 do musk-based perfumes typically fall under?

60-100 Signup and view all the answers

Why is it recommended to add perfume into a cream or lotion during the cooling stage of the manufacturing process?

To avoid heating effects Signup and view all the answers

Which group of chemicals among the following can cause skin irritation according to the text?

Terpenes, phenyl acetic acid, hydroxycitronellol Signup and view all the answers

Why is it essential to use pure water in the preparation of cosmetics?

To ensure product stability Signup and view all the answers

What is the primary use of linseed oil in sunburn preparations?

To prevent erythema Signup and view all the answers

Which type of lecithin is obtained from soybean?

Vegetable type Signup and view all the answers

Which property of triethanolamine (TEA) soaps makes them suitable for use in cosmetics?

They are perfectly neutral and non-irritating Signup and view all the answers

What is the primary advantage of using cholesterol over lanolin in cosmetic products?

Cholesterol lacks the unpleasant odor and stickiness of lanolin Signup and view all the answers

Which statement about the two main types of bentonite is correct?

Sodium bentonite absorbs more water than calcium bentonite Signup and view all the answers

What is the primary function of bentonite in cosmetic formulations?

To absorb water Signup and view all the answers