Many causes of armpit blackening.
1. People with diabetes can darken their armpits. Treat diabetes to reduce blackouts.
2. Can be inherited from parents. There are people with dark skin color, including the armpit.
3. Excessive rubbing of the armpit and use of irritating deodorant can darken the armpit.
4. Excessive pulling or shaving of armpit hair can cause infections and boils. As a result, the armpit can become swollen.
5. Do not wear tight clothing because the armpits will rub against it.
6. It will also lose weight because when our arm is large, it will scratch and pinch the skin of the armpit.
According to dermatologists, here is a proven way to whiten the armpit:
1. You can use a "gentle cleanser" and a towel and gently rub the armpit. Take it easy to remove dead skin cells. Do not rub too much and the armpit may darken.
2. You can use moisturizer and oils to soften the skin.
3. According to dermatologists, honey cleansing is possible. But be careful when using lime and lemon, as it can injure the skin when overused.
4. The doctor prescribes a cream, called tretinoin (Retin-A) which can whiten the skin. Consult a doctor.
5. In department stores, alcohol-free deodorant can be purchased.
There are some home remedies that can help, but it is not yet clear:
1. Baking soda - Mix baking soda with a little water. Apply it to the armpit to slightly remove dead skin cells.
2. Cucumber - Squeeze the cucumber and put its juice in the armpit. Let stand for 30 minutes.
3. Lemon or lime - Mix its juice with 2 tablespoons of water to reduce its hardness or acidic. Leave the juice for 10-15 minutes and then wash. Do 2 times per week.
4. Coconut oil - Coconut oil contains vitamin E. Massage coconut oil in the armpit. Let stand 10-15 minutes. Wash with water and mild soap. Do 2 times a day.
Note: These remedies are not 100% effective. It will take about 6 weeks for some changes to take place. Consult a dermatologist for your questions.