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Ask your questions about how to prevent and resolve underarm spots

Ask your questions about how to prevent and resolve underarm spots

Armpits may be a region not very exposed, but that is part of the concern of several people, especially when dark spots appear on the skin of that place. The stains can be caused by friction or even by hormonal issues, for pregnant and diabetic patients, for example.

To clarify the doubts on the subject, the dermatologist Natalia Cymrot, specialist by the Department of Dermatology of the Hospital das Clínicas da Faculty of Medicine of the University of São Paulo answered questions from our readers.

Sonia: Why the armpits get stained?

Shaving razor - Photo: Getty Images

Dra. Natalia Cymrot: There are several causes: it can be a post-allergy pigmentation, it can be a ringworm, it can be a thickening of the skin in diabetics or obese, bacterial infections, post-traumatic pigmentation by friction, among other causes. > Luciane: Do you use a razor darkens the armpits?

Dra. Natalia Cymrot:

No, the shaver does not go dark. Many people are allergic to nickel that makes up the razor blade. When she develops an allergic reaction, she may have hyperpigmentation after the reaction heals. If there is too much friction and damage to the skin, some people may have a pigmentation from too much friction. Fabiana: What to do when you have the axils marked by folliculitis, and although you are doing laser hair removal, the spots do not come out?

Dra. Natalia Cymrot:

Laser hair removal will not lighten the spots that already existed. It should be continued until the hair is finished, but then you need a treatment that will lighten the spots. Fabiana: What type of laser is used to lighten the armpits and groin?

Laser hair removal in the armpits - Photo: Getty Images

Dra. Natalia Cymrot:

High energy pulsed light, fractional CO2 laser and other lasers whose target is the skin pigment, namely melanin, can be used. Marta: I've heard that armpit spots only come out with acid and that homemade methods tend to aggravate the situation even more. Is this a fact? Natalia Cymrot: No homemade method should be used and each spot of each patient can be treated with a specific technique. The treatment depends on the type of stain and the skin type of the patient.

Karla: Lemon helps to lighten?

Dra. Natalia Cymrot: Care should be taken with lemon manipulation, because when the skin comes in contact with lemon and sunlight, a reaction occurs that causes pigmentation of the skin, that is, it will cause or worsen the stain .

Greice: Is it true that hydrogen peroxide clears the armpits? Natalia Cymrot: That's not true! The ideal is not to use hydrogen peroxide for this purpose.

Fernanda: Does sun exposure worsen these spots or not? Girl exposing underarms on the beach - Photo: Getty Images

Natalia Cymrot:

Yes, sun exposure can darken dark spots in general, not just the armpits. But the underarms are areas that are not usually exposed to the sun.

Fabiane: Wax depilation can darken the armpits?

Dra. Natalia Cymrot:

As it can irritate armpit skin, and eventually even burn, it can darken the skin in predisposing people, who are usually dark-skinned people. It is not a specific occurrence of waxing, but rather of any trauma to the skin of that region, which can respond with blackening later. Alexsandra: Why the armpits darken during pregnancy and how to make them return to normal and get clear again?

Dr. Natalia Cymrot:

Not only the armpits, the groin, the nipples, a vertical line in the abdomen, all these areas, under the effect of the gestation hormones, suffer a darkening. There is a stimulus to pigmentation of the skin, of hormonal origin, in this period that disappears after childbirth spontaneously. There is usually no need for treatment. Fernanda: Are there any diseases that can cause underarm spots? What are?

Dra. Natalia Cymrot:

People with diabetes and obesity may present underarms darker due to the action of insulin. In pregnancy, hormones related to increased pigmentation of the skin are at levels higher than normal, favoring darkening of some areas, including the armpits. In addition, irritative or allergic contact dermatitis, some mycoses and bacterial infections, seborrheic dermatitis itself and psoriasis are some of the diseases that cause darkening of the armpits.


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