Chapter 7 Chemistry

All of the following statements about emollients are true EXCEPT

All of the following statements about lighteners are true EXCEPT:

The process of a solid or gas changing states without becoming a liquid is known as:

mixture of sebum and sweat with lipids, minerals and moisture to form a protective barrier

What government authority is responsible for regulating cosmetics?

Which of the following release a hydrogen ion and are positively charged?

the process in which a substance gains an electron and oxygen is released?

Chemically unstable molecules caused by environmental pollutants and UV exposure are called

What is used in cosmetic products to keep them firm, yet soft and easy to apply to the skin?

Ingredients that are designed to dissolve keratin proteins on the surface of the skin are

What are the basic materials that the body uses to construct and renew itself?

What is the even dispersion of a solid substance in a liquid base called?

Which of the following is NOT one of the three major biochemical compound groups in the body

ability to do work to accomplish some change is called

Matter with definite weight, but indefinite volume and shape are:

Which of the following have a negative electrical charge

Ingredients that possess the ability to destroy bacteria on the skin are described as being:

Thousands of amino acids connected lengthwise are known as a:

Groups of monomers that bond together are called:

What level of pH will leave the skin potentially vulnerable to injury by environmental factors

All of the following statements about amino acids are true EXCEPT:

Emollients in products are generally found in concentrations ranging between:

Which common skin care product is an emulsion used to provide emolliency and moisture to skin?

Organic acids extracted from a variety of natural sources such as fruits, sugar and milk are

All of the following statements are true about physical changes EXCEPT

Which of the following are organic ingredients that bind water and deposit it onto the skin?

chemistry that deals with all matter that is now living or was alive at one time is known as

Which of the following have a positive electrical charge and identify the atom?

study of chemical reactions, growth, reproduction and respiration, in a living organism is

Molecules in the body that serve as building blocks that connect form larger, complex compound

Which of the following is created by chemically uniting two different elements?

What ingredient that are likely to block or clog the pores and contribute to pimples?

products formed when two or more nonmixable substances are united with a binder

What is the liquid part of a solution called?

The chemical behavior of an atom depends mostly on the:

The term that describes when a solute will no longer dissolve evenly in the solvent is the

Which of the following means the product is less likely to provoke an allergic reaction

Acids or bases used to adjust the desired product pH level are called:

Which of the following examples of silicone makes a product feel soft, especially sunscreens?

matter that cannot be broken down into simpler substances by any chemical reaction called?

All of the following are examples of lipids EXCEPT:

All of the following statements about carbohydrates are true EXCEPT:

Solvents that easily mix together are called:

smallest particle of a compound that contains all of the chemical properties of that compound?

ingredients delivers anti-inflammatory, antibacterial, anti-irritant and antioxidant benefits?

Products packaged under pressure and blended with a gas inside a container are called:

When positive and negative ions join, they are held together by a(n):

A simple unit of a carbohydrate is called

All of the following statements are true about liquids EXCEPT:

The term that describes when a solute will no longer dissolve evenly in the solvent is the: