Sugar - Mix a cup of brown sugar with 3 tbsp. extra-virgin olive oil. Apply to wet skin for a minute or two during a shower or bath and rinse. Try using the mixture twice a week when you bathe.
Baking soda - Make a thick baking soda-and-water paste to use as a scrub. After scrubbing, rinsing and drying the area, you can apply a dusting of baking powder to the skin to give it a lighter appearance.
Baking soda and rosewater - Make a somewhat thick paste of baking soda and rose water. Apply to the underarm area, then wash off with warm water. Dry your arms. Do this until you see lightening of armpits.
Orange - Peel an orange and put the peels out in the sun to dry. Grind the peels to form a powder and make a paste by adding rose water and milk. Scrub your underarms with the paste for 10 to 15 minutes to remove dead skin cells and rinse with cold water.
Pumice stone - Gently remove dead skin cells from under your arms with the use of a pumice stone. This light-weight, abrasive volcanic rock is sold in drug stores and beauty supply stores. Wet the stone thoroughly and gently scrub the underarm area.