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Though melasma mostly occurs on the face, it can appear on other parts of the body exposed to the sun, like the forearms and neck, Dr. Rodney says. On the face, the dark patches are usually evenly ...
Several chemicals have been shown to be effective in skin whitening, while some have proven to be toxic or have questionable safety profiles. This includes mercury compounds which may cause neurological problems and kidney problems. [1] In a number of African countries, between 25 and 80% of women regularly use skin whitening products. [2]
Hyperpigmentation can be diffuse or focal, affecting such areas as the face and the back of the hands. Melanin is produced by melanocytes at the lower layer of the epidermis. Melanin is a class of pigment responsible for producing color in the body in places such as the eyes, skin, and hair.
Smoker's melanosis is like the genetic melanin pigmentations, a defence-system in action. The microscope shows smoker's melanosis to be characterized by a melanin hyperpigmentation of the lower part of the oral epithelium, similar to sun-tanned skin. The hyperpigmentation consists of melanin granules which have the shape and colour of "coffea ...
This reduces the treatment time, makes the treatment more effective, and enables the use of a weaker psoralen. The physician and physiotherapists can choose a starting dose of UV based on the patient's skin type. The UV dose will be increased in every treatment until the skin starts to respond, normally when it becomes a little bit pink.
Scaling back treatment for three kinds of cancer can make life easier for patients without compromising outcomes, doctors reported at the world’s largest cancer conference. It’s part of a long ...
"Since gray hair has less melanin, it’s harder for regular dyes to work effectively. These dyes are also made to open the hair cuticle better, so the color can go deeper and last longer.
The median survival is 6–12 months. Treatment is palliative, focusing on life extension and quality of life. In some cases, patients may live many months or even years with metastatic melanoma (depending on the aggressiveness of the treatment). Metastases to skin and lungs have a better prognosis.
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