Cosmetics Waxes Quiz
29 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

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?

<p>Avocado oil (C)</p> Signup and view all the answers

What is the main characteristic of ceresin?

<p>It is a purified crude ozokerite (C)</p> Signup and view all the answers

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

<p>Iso-linoleic acid (A)</p> Signup and view all the answers

What is the main reason waxes are used in cosmetics?

<p>All of the above (D)</p> Signup and view all the answers

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

<p>Saturated fatty acids are solid at room temperature, while unsaturated fatty acids are liquid at room temperature (C)</p> Signup and view all the answers

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

<p>Liquid (A)</p> Signup and view all the answers

What is the main use of myristic acid?

<p>It is used as a constituent in soaps and shaving creams (A)</p> Signup and view all the answers

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

<p>It measures the amount of alkali required to saponify the fatty acids (B)</p> Signup and view all the answers

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

<p>Acidic (C)</p> Signup and view all the answers

Which type of emulsifier does not ionize?

<p>Non-ionic emulsifiers (C)</p> Signup and view all the answers

What properties should preservatives in cosmetics have?

<p>Cheap (A)</p> Signup and view all the answers

What is a common use of perfumes in cosmetics?

<p>Enhance the fragrance of the product (D)</p> Signup and view all the answers

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

<p>Esters of p-hydroxy benzoic acid (A)</p> Signup and view all the answers

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

<p>Animal source (A)</p> Signup and view all the answers

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

<p>Tendency to ionize (D)</p> Signup and view all the answers

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

<p>Increasing usage (A)</p> Signup and view all the answers

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

<p>60-100 (D)</p> 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?

<p>To avoid heating effects (D)</p> Signup and view all the answers

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

<p>Terpenes, phenyl acetic acid, hydroxycitronellol (C)</p> Signup and view all the answers

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

<p>To ensure product stability (D)</p> Signup and view all the answers

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

<p>To prevent erythema (B)</p> Signup and view all the answers

Which type of lecithin is obtained from soybean?

<p>Vegetable type (D)</p> Signup and view all the answers

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

<p>They are perfectly neutral and non-irritating (A)</p> Signup and view all the answers

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

<p>Cholesterol lacks the unpleasant odor and stickiness of lanolin (A)</p> Signup and view all the answers

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

<p>Sodium bentonite absorbs more water than calcium bentonite (D)</p> Signup and view all the answers

What is the primary function of bentonite in cosmetic formulations?

<p>To absorb water (B)</p> Signup and view all the answers

More Like This

Are You a Cosmetics Expert?
9 questions
Ancient Egypt Cosmetics: Skin Care Formulation
12 questions
Cosmetics Exam 2 Flashcards
36 questions
Use Quizgecko on...
Browser
Browser