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Perennial / Wisdoms
Selected Skin CareAvene
La Roche Posay
Ti-Silc / Z-Silc
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Skin Care IngredientsAlpha Lipoic Acid
Arginine + Serine
Capryloyl Salicylic Acid
Hydrolyzed Hyaluronic Acid
Sodium Laureth Sulfate/Sulphate
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Clinical Procedures and Topics
The word chemical derives from the late Sixteenth Century from the French "chimique" or modern Latin chimicus, chymicus, from medieval Latin alchymicus, from alchimia (see alchemy).
A chemical is a compound or substance that has been purified or prepared, especially artificially.
As an adjective chemical means of or relating to chemistry or the interactions of substances as studied in chemistry, e.g. "the chemical composition of the atmosphere". Otherwise, of or relating to chemicals, e.g. "chemical treatments for killing fungi" or relating to, involving, or denoting the use of poison gas or other chemicals as weapons of war, e.g. "the manufacture of chemical weapons."
Alchemy : Chemical :
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