Toners have become a staple in many skincare routines, celebrated for their ability to refine pores, balance the skin’s pH, and enhance hydration. However, a common debate arises among skincare enthusiasts regarding the usage of toner: should you wash it off after application or leave it on for optimal benefits? This question is not merely a matter of preference; it delves into the science behind how toners interact with the skin and how they can be best utilized for different skin types and concerns. With the variety of toners available in the market—from hydrating and soothing formulas to exfoliating and clarifying ones—understanding how to incorporate them into your skincare regimen…