2. Rosewater + baking soda
8 Beauty Treatments That Remove Dark Spots Under the Arms Like an Eraser
What you need:
What you should do: Make a viscous paste by adding rosewater to baking soda. Apply this paste to your dark underarms and leave it on for 10 minutes. After 10 minutes, wash it off using cold water and pat it dry.
How often: Twice a week