Many people are troubled by the problem of darkening of underarms. This can be due to shaving, sweat or chemicals present in the products. Let us tell you why underarms turn dark and what are the easy ways to return their color?
Why do underarms turn dark?
Underarms turn dark due to extra production of melanin and increased thickness of the skin. According to a study in the Journal of Dermatology (2025), about 40 percent of people suffer from this problem due to shaving, waxing, aluminum chloride present in deodorants and tight clothes. However, hormonal changes, diabetes or obesity can also increase melanin production, which makes the skin color darker. Sweat and bacterial accumulation increases skin inflammation, which is another reason for darkening of underarms. According to Dr. Priya Sharma, skin expert at Max Super Specialty Hospital, Delhi, darkening of underarms is mostly due to external reasons, but internal health such as hormonal imbalance can also be responsible for it.
When can dark underarms be a cause of trouble?
Darkness in the underarms is initially light brown, which can darken over time. According to the international Journal of Cosmetology (2024), if it is accompanied by itching, burning or odor, it can be a signal of skin infection or fungal growth. If the darkening increases suddenly or physical changes like weight gain are seen, then it can be a symptom of diabetes or hormonal problem. If there is dryness or pain in the skin along with darkening of the underarms, then one should immediately consult a skin expert. This may not be just a cosmetic problem.
The complexion can be restored with these methods
Lemon and honey: A mixture of lemon juice and honey is exfoliating and moisturizing. vitamin c present in lemon reduces melanin production. Apply it for 10 minutes and then wash it off for best results.
Aloe vera: aloe vera gel has anti-inflammatory properties that improve skin tone. Apply it overnight and wash it off in the morning.
Turmeric and curd: Turmeric paste and curd brightens the skin. Apply it for 15 minutes and wash it off with lukewarm water.
Improving hygiene
Avoid shaving and waxing as they damage the skin. Hair removal creams or laser hair removal cause less damage to the skin. In such a case, wear loose cotton clothes and use natural talcum powder instead of deodorants.
Moisturization and sunscreen
Moisturizing the underarms reduces skin thickness. Shea butter or cocoa butter creams make the skin soft. Using sunscreen (SPF 30+) also protects against UV rays, which can increase darkening.
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