What are the best treatments for Linear and whorled nevoid hypermelanosis?

Treatments for Linear and Whorled Nevoid Hypermelanosis

Linear and whorled nevoid hypermelanosis (LWNH) is a rare skin condition characterized by the presence of brown or grayish-brown patches that follow a linear or whorled pattern. These patches typically appear at birth or in early childhood and can persist throughout life. While LWNH is a benign condition and does not cause any health complications, individuals with this condition may seek treatment for cosmetic reasons or to improve the appearance of the affected areas.

1. Topical Treatments:

Topical treatments are often the first line of therapy for LWNH. These medications are applied directly to the affected areas and can help lighten the hyperpigmented patches. The most commonly used topical treatments include:

• Hydroquinone: This is a skin-lightening agent that inhibits the production of melanin, the pigment responsible for skin color. Hydroquinone creams or lotions can be applied to the affected areas to gradually lighten the hyperpigmentation.


• Retinoids: Retinoids, such as tretinoin, can help improve the appearance of LWNH by promoting skin cell turnover and reducing the accumulation of melanin. These medications are available in cream or gel form and are typically applied once daily.


• Corticosteroids: Topical corticosteroids can be used to reduce inflammation and hyperpigmentation associated with LWNH. These medications are available in various strengths and should be used under the guidance of a healthcare professional.

2. Laser Therapy:

Laser therapy is another treatment option for LWNH. It involves the use of specific laser wavelengths to target and break down the excess melanin in the affected areas. Laser therapy can help lighten the hyperpigmentation and improve the overall appearance of the skin. Multiple sessions may be required to achieve optimal results, and the treatment should be performed by a qualified dermatologist or laser specialist.

3. Chemical Peels:

Chemical peels involve the application of a chemical solution to the skin, which causes controlled exfoliation and removal of the top layers. This process helps to lighten the hyperpigmented patches and promote the growth of new, healthier skin cells. Superficial or medium-depth chemical peels may be used for LWNH, and multiple sessions may be required to achieve the desired results.

4. Camouflage Makeup:

Camouflage makeup can be used to conceal the hyperpigmented patches and even out the skin tone. Specialized makeup products, such as color-correcting creams or concealers, can help mask the discoloration and provide a more uniform appearance. These products are easily available over-the-counter and can be used as a temporary solution for individuals with LWNH.

5. Sun Protection:

Protecting the skin from the sun's harmful UV rays is crucial for individuals with LWNH. Sun exposure can worsen hyperpigmentation and make the patches more noticeable. It is recommended to use broad-spectrum sunscreen with a high SPF, wear protective clothing, and avoid prolonged sun exposure, especially during peak hours.

It is important to note that the effectiveness of treatments for LWNH may vary among individuals, and it is advisable to consult with a dermatologist or healthcare professional to determine the most suitable treatment plan based on individual needs and preferences.