Questions and Answers
Examples of emulsion include:
A night cream moisturizer is rich in antioxidants and repairing ingredients.
True
The non-polar end of an emulsifier which loves oil and hates water is called?
lipophilic
Eye gel, serum, and neck cream are examples of products used to?
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When a solution can't take or dissolve more of the solute than it already holds at a given temperature, it is referred to as being a?
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Liquid foundation would fall under which cosmetic classification?
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A client would like to purchase a cosmetic product to remove eye makeup without causing harm to her false eyelashes: which product do you recommend?
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Sunscreen that protects against both UVA and UVB is considered?
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Clay, peel-off, and thermal masks are all examples of non-setting masks.
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Mask with the primary purpose of absorbing excess oil, tightening and refining the pores and aiding in preventing clogging are?
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Joan has a client with sensitive skin, which of the following masks would help calm and soothe her client's skin?
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SPF testing is based on which type of UV ray?
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All of the following statements are true about paraffin wax (warm wax) masks EXCEPT:
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Which of the following cosmetic categories represents a mixture of two or more kinds of substances evenly dispersed and mixable?
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A substance that is able to dissolve another substance is called a(n):
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A granular scrub used to assist in physically removing dead skin cells is an example of what type of exfoliant?
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Which type of sunscreen protects the skin by reflecting UV Rays?
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Which of the following masks are frequently used for hand and facial treatments?
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The mechanical or chemical process of removing superficial dead skin is referred to as:
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Examples of physical sunscreen include:
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Which of the following terms means two or more kinds of molecules that are not able to be mixed?
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Which cosmetic product helps cleanse the skin further while properly balancing pH?
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The instructions on a product state to shake well before use, which indicates the product is a(n):
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What is formed when two or more non-mixable substances are united with the help of a binder?
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An example of an oil-in-water emulsion is:
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Ingredients such as oxybenzone and octinoxate are included in which type of sunscreen?
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Moisturizers that have a lighter consistency with high water content fall under what type of product?
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Which type of UV ray is longer penetrating and causes collagen breakdown?
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In the process of making a glass of Kool-Aid, what would the powder mix represent?
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A substance such as enzyme or alpha hydroxy acid, that works in conjunction with other ingredients to remove dead skin cells is a(n):
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What is the number one cause of skin cancer and premature aging?
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What type of mask seals the skin, locking in moisture and creating a firm, taut feeling after removal?
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Mixtures of fats and oils converted to fatty acids by heat and then purified fall under which of the following cosmetic classifications?
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Which of the following cosmetic classifications requires sifting until free of coarse, gritty particles?
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Study Notes
Emulsions and Solutions
- Common examples of emulsions include cleansing creams and lotions.
- A saturated solution occurs when it cannot dissolve more solute at a specific temperature.
- Solutions consist of two or more kinds of substances evenly mixed and dispersed.
Cosmetic Products
- Night cream moisturizers are rich in antioxidants and repairing ingredients, beneficial for skin overnight.
- Lipophilic refers to the non-polar end of an emulsifier that is oil-attracting and water-repelling.
- Non-oily eye makeup removers are recommended for removing makeup without harming false eyelashes.
- Liquid foundations are classified as suspensions due to their consistency.
Sunscreens and Skin Protection
- Broad-spectrum sunscreen protects against both UVA and UVB rays, essential for comprehensive skin protection.
- SPF testing evaluates protection primarily against UVB rays, responsible for sunburn.
- Chemical sunscreens work by absorbing UV rays, while physical sunscreens (like titanium dioxide and zinc oxide) reflect them.
Masks and Exfoliation
- Gel masks are effective for calming and soothing sensitive skin.
- Clay or mud masks absorb excess oil, tighten pores, and help prevent clogging, making them suitable for oily skin types.
- Exfoliation refers to the mechanical or chemical process of removing dead skin cells, crucial for skin renewal.
- Mechanical exfoliants include granular scrubs that physically remove dead skin.
Miscellaneous Facts
- Toners help cleanse the skin while balancing pH.
- A suspension requires shaking before use due to its mixture of particles.
- Emulsions form when two non-mixable substances are combined with a binder.
- Day lotions have a lighter consistency and high water content, ideal for daytime use.
- Sun exposure is recognized as the primary cause of skin cancer and premature aging.
- Peel-off masks lock in moisture and create a firm feeling after removal.
- Soaps in cosmetics are mixtures of fats and oils converted to fatty acids.
Key Ingredients
- Chemical exfoliants might include enzymes or alpha hydroxy acids that help remove dead skin cells.
- Paraffin masks are commonly used in hand and facial treatments for hydration.
- Products containing oxybenzone and octinoxate are categorized as chemical sunscreens.
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Description
Explore the fascinating world of cosmetic chemistry, focusing on emulsions, solutions, and various cosmetic products. Understand the science behind moisturizers, makeup removers, and sunscreens, including their formulations and effects on the skin. Test your knowledge on these essential beauty products and their properties.
