The Complete Handbook of Acne Treatments & Kits

Chapter 1: Understanding Acne Treatments & Kits

Acne treatments occupy a complex market that ranges from basic drugstore cleansers to prescription medications and professional-grade devices costing thousands of dollars. Yet the fundamental question remains constant: what is an acne treatment actually meant to do, and how does it work? Without a clear answer to that question, it is easy to be swayed by marketing claims, to waste money on products mismatched to the actual acne you're trying to treat, or to use treatments in ways that reduce their effectiveness or cause harm.

At the most basic level, an acne treatment is a formulated product or device designed to address one or more of the biological processes that create acne: excess sebum production, bacterial colonization (particularly Cutibacterium acnes, formerly called Propionibacterium acnes), follicular hyperkeratinization (clogged pores), or inflammation. Most acne treatments work by attacking one or more of these four mechanisms. A salicylic acid cleanser exfoliates dead skin cells to prevent pore clogging. Benzoyl peroxide kills acne bacteria and slightly reduces sebum. Retinoids normalize skin cell turnover and reduce sebaceous gland activity. Oral antibiotics suppress bacterial growth and reduce inflammation. Light-based devices target the inflammatory response and may suppress bacterial growth. Understanding which mechanism a given treatment addresses is essential to using treatments correctly and knowing when to combine multiple treatments versus when single treatments are sufficient.

The structure of acne treatment offerings has evolved significantly over the past two decades. Twenty years ago, the market was dominated by