I'm curious about whitening methods.

I have dark skin, and I am curious about whitening care methods to naturally brighten and even out my tone.

Is there a way to keep my skin healthy and clear without irritation? I would like to know if consistently using whitening cosmetics is effective, or if basic care such as sun protection and hydration is more important.

I am also curious if dietary or lifestyle habits help improve skin tone.

It would be helpful if you could let me know. Thank you.