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The chemistry behind different types of makeup

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paytin chrisco

on 5 March 2015

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Transcript of The chemistry behind different types of makeup

Why are chemicals in makeup ?
Chemicals are in makeup because if they weren't, cosmetics wouldn't have the distinct features that they are well known for such as texture, smell, and color.
Coloring agents
examples of coloring agents: eye shadow, foundation, and lipstick.

Ingredients found in color agents are coal tar, Chromium oxide, Aluminum powder, Manganese, Iron oxide, and Mica flakes.
In the U.S. These ingredients are highly regulated by the FDA and only certain ones are allowed. Colorants are the most highly regulated out of all cosmetic ingredients.
Bases hold the colors together and insure that the makeup stays in place.

Almost every type of makeup needs a base. For example, bases are used in lip stick and eye liner to keep the product from smearing

The ingredients required in bases are oils and waxes to hold the product together.

Bulking agents
Bulking agents help the product go onto the skin evenly. Some products that require this even coverage are face powder and eye shadow.

One of the most common bulking agents is talc. Talc absorbs perspiration and has a smooth texture which makes the product easier to apply.
Sunscreen is a very popular ingredient in makeup today because it protects the skin from the suns damaging rays and helps prevent the look of aging caused by the sun.

In the late 1970's and early 1980's, many makeup manufactuers added sunscreen to their products because of peoples concerns about protecting their skin
Compounds like sunscreen that block out ultraviolet rays include para-aminobenzoic, oxybenzone, and dioxybenzone. These chemicals are common causes of allergic reactions
examples of coloring agents: eye shadow, foundation, and lipstick.

ingredients found in color agents are coal tar,
The chemistry behind different types of makeup
Coloring agents
Additives include fragrances and preservatives.
Fragrance is added to the makeup to cover up the odor of the waxes, oils, and other chemicals.
A study formed by the American Academy of Dermatology found that more than one third of allergic reactions in cosmetics were triggered by fragrance additives.
The U.S. Food and Drug Administration requires cosmetics manufacturers to put labels on makeup listing ingredients in descending order of weight. Ingredients that make up less than 1% of the product are listed after the other ingredients.
1. what is the purpose of chemicals in makeup?

2. name three coloring agents

3. out of all of the classes of ingredients listed , which one does almost every type of makeup need?

4. what are two additives that are put in makeup?

5. what is the most highly regulated cosmetic ingredient?
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