Dark Inner Thighs: 4 Best Treatment Options

Clinical review: Marcelle Pinheiro
February 2022

To whiten your groin region quickly and effectively there are several treatments available, such as whitening creams, chemical peels, radiofrequency, microdermabrasion or pulsed light, for example. These methods act by reducing excess melanin that has accumulated in the area to return the natural tone of your skin.

The results of each treatment can range from either mild lightening or intense lightening, and this can be achieved gradually or quickly (in days, weeks or months) depending on the needs or treatment goals of each person. Ideally, you should seek treatment from a dermatologist or a qualified professional, as they are able to assess your skin and suggest the most appropriate treatment.

Dark spots on the skin occur due to the accumulation of melanin within its layers. This accumulation can be triggered by hormonal changes, folliculitis, inflammation and use of cosmetics. It occurs more frequently in people with a genetic predisposition for this to happen, and is very common in places of greater friction in the skin, such as in the groin and armpit.

1. Whitening creams

There are a few options for whitening creams to lessen stains in the armpit as these contain active ingredients that reduce the pigment of the skin:

  • Hydroquinone: This is a potent active depigmenting agent of the skin. It is very useful in the treatment of melasma, freckles and hyperpigmentation patches caused by the sun, inflammations or dermatitis, for example. Some of these creams require medical monitoring, as they may make skin more sensitive and cause dryness, itching and peeling.
  • Retinoic acid: Also known as tretinoin, this type of cream is derived from vitamin A and penetrates the skin deeply. It helps to reduce blemishes, increase collagen production and rejuvenate the skin. Learn more about the benefits of retinoic acid. 
  • Kojic acid: This type of cream works as a depigmentation agent and helps to reduce the production of melanin. It also contains antioxidant properties, which reduce inflammation, the chance of infections and early aging of the skin.
  • Azelaic acid: This ingredient works by controlling the amount of melanin produced, which decreases the darkening of the skin. It can is also be used to decrease the production of oil in the skin and to fight acne.

These creams should be used 1 to 2 times a day. They will usually produce results in about 2 to 4 weeks, although results will vary according to the intensity of the blemish and the dose of the product. To achieve desired results, they should be purchased at a pharmacy and taken as prescribed by a dermatologist and must be purchased in pharmacies with the guidance of a dermatologist. There are also other types of creams, such as adapalene, glycolic acid, salicylic acid, for example, that may be recommended by the dermatologist.

2. Chemical peels

Chemical peels are a type of cosmetic treatment that involve the application of acid-based lotions or gels at high concentrations. These peels aim to remove the most superficial layer of skin, which contains imperfections and blemishes.

Peels are usually done in sessions, and the results can be seen after the second treatment session. It may require a total of 10 sessions for an optimal result to be obtained. During this period, you are advised to use a good moisturizer, with sunscreen, as the skin becomes very sensitive.

Some widely used chemical peels include mandelic acid, glycolic acid, salicylic acid or a combination of acids, for example, which act not only to remove blemishes, but to soften scars and acne marks and rejuvenate the skin.

3. Aesthetic treatments

There are options for aesthetic treatments that help to treat skin blemishes, which should be done by the dermatologist or by a qualified professional (like a cosmetic registered nurse). Some options include:

  • Intense pulsed light, which is recommended for removing dark spots on the skin, especially those caused by sun exposure and ultraviolet rays;
  • Microdermabrasion, which is an exfoliation technique that stimulates skin rejuvenation;
  • Radiofrequency, which is a treatment that, besides lightening the skin, fights flaccidity and evens out wrinkles.

During these treatments, it is important to maintain healthy skin care habits so that treatment is more effective. These habits can include wearing underwear that causes less friction, protecting the skin from the sun with sunscreen, and treating skin infections if any are present.

4. Natural treatments

There are some home remedies that can help whiten the groin because they exfoliate the skin and have moisturizing and soothing properties. Some options include preparations made with bicarbonate, white clay and oats.

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Atualizado por Tua Saude editing team, em February de 2022. Clinical review por Marcelle Pinheiro - Physiotherapist, em February de 2022.
Clinical review:
Marcelle Pinheiro
Physiotherapist degree provided by the University of Estácio de Sá (Brazil). Licensed to practice under CREFITO #170751.