Among them is Kojic Acid, a powerhouse ingredient celebrated for its ability to combat hyperpigmentation and deliver noticeably brighter skin. Often hailed as a gentle alternative to harsher bleaching agents, its promise of an even, radiant complexion has made it a favourite in serums, creams, and soaps across the UK and beyond.
But as with any potent active ingredient, questions around safety and potential downsides are paramount. To truly understand its place in your beauty regimen, we must delve into the science of what is kojic acid, explore its efficacy, and—crucially—scrutinise the potential kojic acid side effects.








