Kojic acid soap can effectively brighten skin tone and reduce hyperpigmentation when used consistently
It can be rough on the digestive system, for example, capable of causing nausea, bloating, diarrhea, or constipation, and there havent been many studies on its long-term safety.47 So, a berberine supplement thats been through extensive third-party testing will be safer than most, as would one that was manufactured in an FDA-registered facility compliant with Good Manufacturing Practices (GMP)
You can increase the efficiency of the treatment by eating smaller meals more often and avoiding caffeinated drinks (like tea and coffee), and spicy or fatty foods
It can also help to hydrate the skin and make it softer
Realistic Expectations: What Glutathione Tablets Can and Cannot Do A large share of the "does it work" confusion around glutathione traces back to a gap between marketing language and what the underlying biology actually supports