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Fragrances

Preservatives

Bases in lipstick and mascara

Lipstick

--> insoluble mixture of waxes and castor bean oil

--> esters (reactions between alcohol and acids)

Mascara

--> paraffin and carnauba palm wax

Bases

What is the function of waxy?

Additives

What is the function

of preservatives?

What is the function

of fragrances?

The Chemistry

of

Cosmetics

What is Cosmetics?

Any of several preparations (excluding soap) applied to the human body for beautifying, preserving, or altering the appearance or for cleansing, colouring, conditioning, or protecting the skin, hair, nails, lips, eyes, or teeth.

A little bit of history

References:

  • "The Chemistry of Cosmetics" 25 August 2009. HowStuffWorks.com. <http://science.howstuffworks.com/the-chemistry-of-cosmetics-info.htm> 30 November 2012.
  • "Cosmetics Chemistry" ChemistryExplained.com.<http://www.chemistryexplained.com/Co-Di/Cosmetic-Chemistry.html> 30 November 2012.
  • Phillips, John S., Victor S. Strozak, Cheryl Wistrom. Chemistry: Concepts and Application. Ohio: Glencoe/McGraw-Hill, 2000. Print

Face Powder

Eye Shadow

Bulking Agents

1. The ingredients of cosmetics

2. Are cosmetics good or bad for you?

Chromium Oxide

Coal Tar

  • 3000 B.C.E in ancient Egypt
  • They were using red ochre, or iron oxide

Aluminum powder

The Ingredients of Cosmetics

Mica Flakes

Coloring Agents

Why are cosmetics NOT so good for you?

Iron Oxide

Manganese

1. Coal tar --> suspected cancer

2. Oils and waxy can create acne

3. Inhaling too much talc can create lung problems and other

allergic reactions

4. Fragrances and preservatives also the sources of allergics

  • Coloring Agents
  • Bases (Oily or waxy mixture)
  • Bulking Agents
  • Additives

Cosmetic can create acne

on skin

or allergic reactions

and...

Why girls should wear cosmetics?

Cosmetics make you feel prettier

and more confident, right?

  • Fruit Acids have the ability to penetrate the skin
  • Sunscreens are a class of compounds that protect the skin from ultraviolet radiation

Be a smart cosmetic user!

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