doi: 10.1016/j.jns.2016.02.004 56 FetahuI
They tend to be most effective for mild to moderate cases of post-inflammatory hyperpigmentation (think lingering marks after body breakouts, bug bites, or irritation) and uneven tone, especially when formulas contain ingredients like niacinamide, retinol, vitamin C, kojic acid, or exfoliating acids that encourage cell turnover and fade discoloration over time
DOI: 10.1038/icb.2019.29
However, it's crucial to approach glutathione supplementation, especially for skin and hair benefits, with caution
Appl Environ Microbiol
Step 3: Apply Kojic acid cream by performing a Patch Test: Apply a pea-sized quantity of Kojic Acid cream on the dark spots of the skin or, for all-over effect upon the skin tone, apply generally