Benzoyl peroxide

Definition

Benzoyl peroxide is an antimicrobial agent commonly used in the treatment of acne. It works by killing bacteria on the skin and reducing inflammation.

5 Must Know Facts For Your Next Test

1. Benzoyl peroxide is effective against Propionibacterium acnes, a bacterium involved in acne formation.
2. It has both antibacterial and keratolytic properties, helping to clear clogged pores.
3. Benzoyl peroxide can cause skin irritation and dryness as side effects.
4. Over-the-counter products typically contain 2.5% to 10% benzoyl peroxide.
5. Long-term use of benzoyl peroxide does not lead to antibiotic resistance in bacteria.

Review Questions

• What type of bacterium is benzoyl peroxide most effective against?
• What are the two main properties of benzoyl peroxide that help treat acne?
• What are common side effects associated with the use of benzoyl peroxide?

Related terms

Propionibacterium acnes:

A bacterium commonly found on the skin that can contribute to acne formation.

Keratolytic: An agent that helps remove excess keratin, unclogging pores.

Antibiotic resistance: The ability of bacteria to resist the effects of an antibiotic.