I'd like to share my own whitening routine for a dull complexion.

I've been carefully examining the ratio of niacinamide and vitamin C derivatives to create my own systematic whitening care routine. In particular, after washing my face in the evening, I layer a mild vitamin ingredient with a high-potency moisturizer. As I analyze the mechanisms by which these ingredients synergize to purify my complexion, I lose track of time. Rather than simply layering on functional products, I've also been observing whitening care routines that incorporate very low concentrations of AHA or LHA to normalize the skin's turnover cycle. This seems to have shown significant data on reducing pigmentation. I'm also curious to know if you have your own preferred ingredient combinations to achieve your skin's natural, clear glow! Since I'm always curious about ingredients, could you share some of your know-how?