According to the FDA, how is permanent hair reduction defined?

Permanent hair reduction, as defined by the FDA, refers to a long-term stable reduction in the number of hairs regrowing after undergoing a treatment regimen. This definition underscores that while hair may not be completely removed, the effectiveness of the treatment leads to a significant and lasting decrease in hair density, making it appear less noticeable or sparse over time.

The emphasis on a "long-term stable reduction" indicates that the results are not just temporary; rather, they are maintained over an extended period, distinguishing this approach from procedures that only offer temporary effects. Treatments that accomplish this involve methods like laser hair removal or electrolysis, which are designed to target and impair the hair follicle's ability to regenerate hair.

Understanding this definition is crucial for both practitioners and clients, as it sets realistic expectations for the outcomes of hair reduction therapies and aligns with regulatory standards established by the FDA regarding the safety and efficacy of such procedures.