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2. Why your hair and eye colors change

   www.aol.com/news/2014-07-23-why-your-hair-and...

   With regard to hair, the melanin builds up the same as in eyes, creating a dark color. As babies age, their melanin levels increase and their hair will darken. Hair colors can change well into ...

3. Human hair color - Wikipedia

   en.wikipedia.org/wiki/Human_hair_color

   Generally, the more melanin present, the darker the hair. Its tone depends on the ratio of black or brown eumelanin to yellow or red pheomelanin. Melanin levels can vary over time, causing a person's hair color to change, and one person can have hair follicles of more than one color.

4. Help! Why Do I Have Gray Hair in My 20s?!? - AOL

   www.aol.com/help-why-gray-hair-20s-162500136.html

   $34.00 at amazon.com. Why you might have gray hair in your 20s: ⮕ What it probably is: Genetics. As mentioned, melanin production will decrease as we age (among the other ~wonderful~ things that ...

5. Greying of hair - Wikipedia

   en.wikipedia.org/wiki/Greying_of_hair

   Grey or white hair is not caused by a true grey or white pigment, but is due to a lack of pigmentation and melanin. The clear hairs appear as grey or white because of the way light is reflected from the hairs. The change in hair colour occurs when melanin ceases to be produced in the hair root and new hairs grow in without pigment.

6. These Are the Best Hair Dyes Our Editors Have Used to ... - AOL

   www.aol.com/lifestyle/best-hair-dyes-editors...

   "Since gray hair has less melanin, it’s harder for regular dyes to work effectively. ... For the past year, Men’s Health grooming writers and editors—with varying levels of grays—put a ...

7. Melanin - Wikipedia

   en.wikipedia.org/wiki/Melanin

   Melanin is produced through a multistage chemical process known as melanogenesis, where the oxidation of the amino acid tyrosine is followed by polymerization. Pheomelanin is a cysteinated form containing polybenzothiazine portions that are largely responsible for the red or yellow tint given to some skin or hair colors. Neuromelanin is found ...

8. Premature greying of hair - Wikipedia

   en.wikipedia.org/wiki/Premature_greying_of_hair

   This overproduction causes depletion of the melanocyte stem cells which are required to produce melanin, the pigment responsible for hair color. [ 2 ] Premature greying of hair has been observed with greater frequency among certain families, suggesting a familial predisposition for the condition.

9. How to Get Rid of Wrinkles (and What Really Causes Them) - AOL

   www.aol.com/rid-wrinkles-really-causes-them...

   However, some studies show that melanin — another genetically inherited substance in the skin — can help protect against sun-induced aging. Darker skin tones contain more melanin than lighter ...