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Red hair, also known as ginger hair, is a human hair color found in 2–6% of people of Northern or Northwestern European ancestry and lesser frequency in other populations. It is most common in individuals homozygous for a recessive allele on chromosome 16 that produces an altered version of the MC1R protein.
Red hair ranges from light strawberry blond shades to titian, copper, and completely red. Red hair has the highest amounts of pheomelanin, around 67%, and usually low levels of eumelanin. At 1–2% of the west Eurasian population, it is the least common hair color in the world. It is most prominently found in the British Isles and in Udmurtia ...
Whereas Titian hair is a brownish shade of red hair, auburn hair is specifically defined as including the actual color red. Most definitions of Titian hair describe it as a brownish-orange color, [1] [2] but some describe it as being reddish. [3] This is in reference to red hair itself, not the color red.
Also, anything that processes the hair less—such as using a hair gloss to boost your natural shade or a semi-permanent color will last longer than a double-process (i.e., bleaching and toning ...
8 Autoimmune Diseases That Cause Hair Loss. This article was reviewed by Knox Beasley, MD.. You might associate autoimmune conditions with symptoms like skin disease, chronic pain, and fatigue.
The phenotypic color variation observed in the epidermis and hair of mammals is primarily determined by the levels of eumelanin and pheomelanin in the examined tissue. In an average human individual, eumelanin is more abundant in tissues requiring photoprotection , such as the epidermis and the retinal pigment epithelium . [ 4 ]
Hot roots is a term used by hair stylists to describe the condition when, after applying an artificial pigment to the hair, the roots (the section of the hair shafts that is closest to the scalp) are noticeably ‘warmer’ in color (more red/orange) than the lengths and ends of the hair.
Before we go any further, it’s important to know that shedding is a natural part of a healthy hair growth cycle, says Melissa Piliang, MD, a board-certified dermatologist at the Cleveland Clinic ...