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  2. White Hair: Causes and Prevention - Healthline

    www.healthline.com/health/white-hair

    An overactive or underactive thyroid can cause your body to produce less melanin. 5. Vitamin B-12 deficiency. White hair at an early age can also indicate a vitamin B-12 deficiency. This vitamin ...

  3. Can White Hair Turn Black Again? About Original Hair Color

    www.healthline.com/health/can-white-hair-turn...

    These make up your natural hair and skin color. The less melanin you have, the lighter your hair color. Gray hair has minimal melanin, while white has none. As you age, it’s natural to lose ...

  4. Use WebMD’s Pill Identifier to find and identify any over-the-counter or prescription drug, pill, or medication by color, shape, or imprint and easily compare pictures of multiple drugs.

  5. Vitamin B-12. Research has found that many young adults with gray hair may also have a vitamin B-12 deficiency. Vegetarians and vegans are more prone to B-12 deficiencies because the nutrient ...

  6. Melanin in Hair: Its Role and How to Increase Production

    www.healthline.com/health/melanin-in-hair

    According to Nikki Goddard, a certified hairstylist with an associate degree in cosmetology, melanin plays another crucial biological role in hair: It protects hair against sun rays ...

  7. Scalp Conditions: Pictures, Causes, and Treatments - Healthline

    www.healthline.com/health/scalp-conditions

    Psoriasis is a common inflammatory skin condition. In many cases, it affects the scalp, which develops red, scaly, dry patches. Ringworm, or tinea capitis, is a fungal skin infection that produces ...

  8. Blackheads form when a clog or plug develops in the opening of hair follicles in your skin. Each follicle contains one hair and a sebaceous gland that produces oil. This oil, called sebum, helps ...

  9. A Guide to Damaged Hair and 15 Ways to Fix It - Healthline

    www.healthline.com/.../beauty-skin-care/damaged-hair

    Just mix 4 tablespoons of ground coffee with 2 cups of conditioner and make two strong cups of coffee. After a regular shampoo, rinse or soak your hair with the cooled coffee, then massage in the ...