Believe it or not but orange peel can make your underarms light. Orange has it’s whitening extract and at the same time has exfoliating factor. All you need to do is dry the orange peel, you can sun dry it and when it’s dried up. Grind the orange peel until it becomes powder. Then mix it with rose water and milk to make a paste form. Then gently rub it on your underarms and make it stay for 10 minutes. After 10 minutes, wash your underarms with cold water. You can do this routine two or three times a week.