Some individuals may notice a quieter, more settled transition into nighttime rest within the first several weeks of consistent use, with improvements in sleep depth, overnight continuity, and morning alertness that become more apparent as the program progresses
With consistent sessions, this direct delivery can naturally brighten the skin by around 1 to 2 shades while also improving smoothness, softness, and overall skin quality
Interestingly, researchers observed that the speed of titration directly correlated with the frequency of transient side effects, but not necessarily with the ultimate efficacy at week 48
B 117 , 1633616344 (2013)
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