Search results
Results from the WOW.Com Content Network
As mentioned, your body makes less collagen as you age. This reduction in collagen levels contributes to the development of wrinkles, making them more common with every passing birthday.
In short, melasma is a chronic skin condition that appears as darkened areas on the face due to an overproduction of melanin, says Gina Charles, MO, a family physician specializing in skincare. It ...
Melanosomes, which are organelles containing melanin, must be transported and increased during hyperpigmentation and tanning, while they shrink during hypopigmentation. [4] Skin pigmentation is frequently caused by sun exposure. To protect itself against UV radiation from the sun, the body makes more melanin. As a result, the skin may become ...
Excessive solar radiation causes direct and indirect DNA damage to the skin and the body naturally combats and seeks to repair the damage and protect the skin by creating and releasing further melanin into the skin's cells. With the production of the melanin, the skin color darkens, but can also cause sunburn.
The exact cause of melasma is unknown, says Dr. Robert Finney, MD, a board-certified dermatologist in New York City. But it’s believed to result from the skin’s pigment-producing cells being ...
It is caused by melanocyte or melanin depletion, or a decrease in the amino acid tyrosine, which is used by melanocytes to make melanin. [2] Some common genetic causes include mutations in the tyrosinase gene or OCA2 gene. [3] [4] As melanin pigments tend to be in the skin, eye, and hair, these are the commonly affected areas in those with ...
Gray or white hair occurs from a loss of melanin, the pigment which gives the hair color. Melanin is produced by the hair follicles, the structures in the skin which hair grows from, per the NIH .
Many forms of hyperpigmentation are caused by an excess production of melanin. [4] 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 ...