Dark underarms are caused by Shaving, Dead skin buildup or deodorant. There are many things you can do to help your underarms turn back to its original color.
Option 1 – Waxing
Waxing instead of shaving will help the underarms get lighter since
waxing pulls the hair from the root.
Option 2- Lemon, Sugar And Honey
You can gently exfoliate the underarm with lemon honey and sugar. Over
time your arms will turn back to original color.
Option 3- Lemon
By rubbing a lemon wedge under your underarms for a few minutes will
remove dead skin cells and lighten the underarms.
Make sure to comment and tell us which method worked for you !!!