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CAS NUMBER |
69-72-7 |
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INCI NAME |
Salicylic acid |
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DEFINITION |
Organic beta hydroxy acid (chemical name: 2-hydroxybenzoic acid), occurs naturally in various plants. Fine, white powder, odorless. USP grade. Solubility: see below. pH Value: 2.4. Melting Point: 159°C (318°F). |
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USAGE |
It can be used level 0.5-3%. Typically, it is added to the water phase of formulas but it is only slightly soluble in water. If used at concentrations higher than 2%, octyldodecanol or propylene glycol should be used as solvent. Salicylic acid can be added also in powder form to a finished cream or lotion without dissolving it first in water or another solvent. |
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APPLICATIONS |
Peels and exfoliant products. Anti-acne products (max. 2%). Anti-dandruff products (max 3%). Wart-removing products (max. concentration depends on type of plaster vehicle used). |
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