Name

Benzoyl peroxide

We recommend avoiding

Description

Benzoyl peroxide is an organic compound widely used in skincare products, particularly for the treatment of acne. It has strong antibacterial and keratolytic (exfoliating) properties, making it effective in reducing acne-causing bacteria and promoting the shedding of dead skin cells. Benzoyl peroxide is a white, crystalline powder that is soluble in organic solvents. It is often found in topical creams, gels, and cleansers at various concentrations.

Benefits

• Antibacterial action: Kills acne-causing bacteria (Propionibacterium acnes). • Exfoliation: Promotes the shedding of dead skin cells, preventing clogged pores. • Oil reduction: Helps reduce excess oil production, contributing to clearer skin.

Considerations

• Skin irritation Can cause dryness, redness, and peeling, especially when first used or at higher concentrations. • Bleaching effect May bleach hair, fabrics, or clothing that comes into contact with it. • Sun sensitivity Increases the skin's sensitivity to sunlight, leading to a higher risk of sunburn. • Environmental Concerns Very toxic in aquatic systems and persists in the environment. • Benzene Contamination Products with benzoyl peroxide have been found to contain concerning amounts of the carcinogen benzene. It may be a by-product of benzoyl peroxide degradation or reaction with other chemicals present in a formula.

Synonyms

Benzoic peroxide Dibenzoyl peroxide Peroxide, dibenzoyl BPO

Research Sources

https://pubchem.ncbi.nlm.nih.gov/compound/7187 https://www.pharmacist.com/Pharmacy-News/benzoyl-peroxide-acne-products-contain-high-levels-of-carcinogen-warns-independent-lab

Summary

Can be contaminated with the carcinogen benzene, cause skin irritation and sun sensitivity. Also toxic to the environment.