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Why Toothpaste Can Transform Your Underarms

Toothpaste contains mild abrasive agents like silica that help remove dead skin cells. This gentle exfoliation reveals fresh, even-toned skin hidden beneath the buildup. Many white toothpastes also feature natural lightening ingredients such as baking soda or hydrogen peroxide, which can gradually reduce pigmentation over time.
Its antibacterial properties help create a cleaner skin environment, reducing odor-causing bacteria that may contribute to discoloration. Because it’s inexpensive and widely available, toothpaste is a simple yet powerful DIY beauty hack that can fit seamlessly into your self-care routine.
How to Use Toothpaste for Brighter Underarms

Start with clean skin by washing your underarms with warm water and a mild, fragrance-free soap. Pat dry gently with a soft towel. Apply a pea-sized amount of plain white toothpaste—avoiding gels or colored varieties—onto a soft toothbrush or your fingertips. Using light circular motions, massage the toothpaste into your underarms for two to three minutes.
Let it sit for five to ten minutes to allow the active ingredients to work. Rinse thoroughly with lukewarm water to ensure no residue remains, then finish with a fragrance-free moisturizer containing soothing ingredients like aloe vera or shea butter. Repeat this process two to three times per week for best results.
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