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Benzoyl peroxide
What is is:
The FDA allows benzoyl peroxide to be sold by prescription or over-the-counter, in amounts up to 10%, in cream, gel, and wash form. It is an anti-bacterial agent.6-9
(Learn more from the U.S. National Library of Medicine)
What is does:
Benzoyl peroxide penetrates the skin where it kills P. Acnes (acne bacteria).10 Also, there is a mild drying and peeling effect which is thought to help prevent breakouts.6-9 Benzoyl peroxide also helps lessen inflammation.11-13 2.5% benzoyl peroxide is just as effective as higher concentrations with less side effects.10,14
Considerations:
Some dryness, redness, and itchiness is to be expected, especially in the first few weeks of use.10
About 1-3% of people are allergic to benzoyl peroxide and experience an inflammation of the skin or severe crusting.15
Benzoyl peroxide can bleach hair and fabric.6 |
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