What causes a Mallen streak?
A white/grey streak is known as a Mallen streak and it is an example of poliosis – which in short means an absence of melanin in the hair which results in a white streak. Throughout history, the streak has become synonymous with evil – think X Men’s Rogue or the Bride of Frankenstein.
Do I have poliosis?
The main symptom of poliosis is a white streak or patch in your hair. It can affect patches on your head, eyebrows, eyelashes, arms, and the surrounding skin and scalp. You might only notice a small patch of white hair, or you might have lots of other symptoms if your poliosis is part of another condition.
What is diffuse alopecia?
What is diffuse alopecia? Alopecia is the medical word meaning hair loss. Alopecia is diffuse if it affects the scalp in a general distribution. This is in contrast to localised or focal alopecia, which is characterised by patchy hair loss.
What is eye poliosis?
Poliosis is known to occur as a late side effect of Vogt-Koyanagi-Harada disease (VKH). VKH is an inflammatory disorder that affects multiple systems throughout the body. These range from the eyes and ears to the skin and central nervous system. VKH is more common in dark-skinned people, particularly Asians.
Why do I have one long white eyelash?
The most common cause is aging, but gene mutations, some medical conditions, and vitamin B12 deficiency can also contribute. White hair usually isn’t a cause for concern unless you have other symptoms that indicate you may have a medical condition.
Why do I have one white eyelash?
White eyelashes are usually caused by the natural aging process, but they can be a sign of an underlying medical condition. Most of these conditions aren’t serious, but some, such as thyroid disorders, require medical attention.
What causes piebaldism?
Piebaldism is due to an absence of melanocytes in affected skin and hair follicles as a result of mutations of the KIT proto-oncogene. As of a 2001 review by Richards et al, 14 point mutations, 9 deletions, 2 nucleotide splice mutations, and 3 insertions of the KIT gene were believed to be mutations causing piebaldism.
What is Dupa hair?
Diffuse unpatterned Alopecia, also known as DUPA, follows a sporadic hair loss pattern. Hair loss in men is not just restricted to the front and crown as in the case of diffuse patterned Alopecia but also occurs on the back and sides of the scalp.
What is eyelash dandruff?
Blepharitis is a common eye condition that makes your eyelids red, swollen, irritated, and itchy. It can cause crusty dandruff-like flakes on your eyelashes. Blepharitis can be uncomfortable. But it isn’t contagious, and it usually doesn’t cause any lasting damage to your eyes.
Do old people’s eyelashes turn grey?
As you age, the amount of melanin in your hair naturally declines, which causes your hair to appear gray and eventually white. Along with the hair on your head, your eyebrows and eyelashes can turn gray or white with age. The graying process often starts with a few hairs before spreading.