Meaning of "Skin brightening"

Ton-Eop

Skin brightening톤업#라이프스타일#SNS#IT/개발#뷰티#밈/유행어2010s Meme

A feature that brightens skin tone by one shade in photos or videos to create a more radiant appearance

"When I turned on the tone-up feature in my smartphone photo editing app, my skin looked even clearer."