Salicylic+acid

=**__Salicylic acid__**= Mandy Fang Block C J.T. Baker: 0300, 0302, 0303 Mallinckrodt: 2016, 2020, 2028 //Copied from:// []
 * Synonyms:** 2-Hydroxybenzoic acid; o-hydroxybenzoic acid
 * CAS No.:** 69-72-7
 * Molecular Weight:** 138.12
 * Chemical Formula:** HO.C6H4.COOH
 * Product Codes:**

What is Salicylic acid:

 * a natural ingredient to treat acne and other skin problems (E.g. dandruff, psoriasis, calluses, corns, warts).
 * a leading process to make aspirin.

How Salicylic Acid made:

 * found in bark of willow trees (salix)
 * form in a chemical reaction -> scientists mix sodium phenoxide to carbon dioxide under high pressure

How it benefits us:

 * [[image:http://media.onsugar.com/files/ed4/2010/01/02/192/1922153/74027fc7c36ce674_Benzoyl-peroxide-vs-salicylic-acid.jpg width="172" height="175"]]remove dead skins from our pores (follicles) ---> prevent pimples
 * it can cure blackheads and whiteheads.
 * makes our skin softer
 * treat headaches

How it harms us:

 * it can irritate our skin.
 * can be toxic to our liver if we use too much (pregnant women should avoid using this acid)
 * can irritate our eyes and lungs (respiratory tract)
 * harm our central nervous system, kidneys, pancreas if over used

Interesting Fact:

 * Greeks make white powder with this acid
 * Native Americans use this acid to make tea that has healing ability

Sources:
[] (How it works and directions) [] (What it is) [] (How it prevents pimples) [] (Chemical formula and warnings) [] (How it was made and who discovered it)

Images:
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