Exam Prep #5 CHEMISTRY

Which type of sunscreen protects the skin by reflecting UV rays?

A substance that is able to dissolve another substance is called a(n):

In the process of making a glass of Kool-Aid, what would the powder mix represent?

What is formed when two or more non-mixable substances are united with the help of a binder?

Ingredients that destroy bacteria that cause problems such as acne or other infections are known as:

Basic substances that cannot be broken down into simpler substances are called:

All of the following statements about emollients are true EXCEPT:

Distilled water with a pH of 7 is considered:

Two or more atoms joined together by a chemical bond is a(n)?

Sam wants to improve skin tone & texture, reduce bacteria, cell buildup & improve cellular renewal. Which ingredient?

When a solution has an equal number or hydrogen & hydroxide ions, the solution is considered:

The instructions on a product state to shake well before use, which indicates the product is a(n):

Water freezing and becoming ice is an example of what type of change?

What is created when amino acids join together in chains?

Which of the following ingredients is likely to block or clog pores & contribute to papules and pustules?

Examples of an emulsion include:

Which of the following biochemical compounds form components that fill the intercellular spaces in the skin?

Which ingredient listed below is compatible with both water and oil?

Due to weight concentration, what ingredient is often listed first on a cosmetic product label?

All of the following statements about lighteners are true EXCEPT

Which of the following cosmetic classifications requires sifting until free of coarse, gritty particles?

Which ingredient provides product quality and protection, is active against bacteria & enhances product's longevity?

Examples of physical sunscreen include:

Which of the following classifications would identify emulsions that are usually used in the industry?

To reduce free radicals and protect delicate skin, advise your client to use products that contain:

The non-polar end of an emulsifier, which loves oil and hates water is called?

Mixtures of fats and oils converted to fatty acids by heat & then purified fall under which cosmetic classification?

What is the number one cause of skin cancer and premature aging?

Which of the following cosmetic categories represents a mixture of 2 or more substances evenly dispersed & mixable?

On the pH scale, numbers less than 7 indicate a(n):

The mechanical or chemical process of removing superficial dead skin is referred to as:

A pH of 5 is how many times more acidic than a pH of 6?

Atoms that are different form a(n):

Which type of UV ray is longer penetrating and causes collagen breakdown?

An example of an oil-in-water emulsion is:

Which government agency is responsible for regulating cosmetics in the USA?

how are ingredients listed on product label?

Step in the basic skin care regimen specifically designed to remove dirt, oil, makeup and enviro pollutants from skin?

Mixtures of organic substances and a medicinal agent are?

In what pH range is hair, skin and nails?

Substance that increases concentration of hydro. ions when placed in water b/c it donates, or releases, H+ ions is a(n):

A granular scrub used to assist to physically removing dead skin cells is an example of what type of exfoliant?

Substance such as an enzyme or alpha hydroxy acid that works in conjunction with other ingredients to remove dead skin?

All matter that is now living or was alive at one time, with carbon present, falls withing the scientific division of:

Carbon, oxygen, hydrogen and nitrogen form the basics of:

Which cosmetic product helps cleanse the skin further while properly balancing pH?

What type of mask seals the skin, locking in moisture & creating a firm, taut feeling after removal?

Ingredients responsible for producing the desired effect are called?

The term used to indentify anything that occupies space and has weight is called?

Which of the following functional ingredients cause water to be held on to the skin?