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  2. Masterbatch - Wikipedia

    en.wikipedia.org/wiki/Masterbatch

    Such use of liquid masterbatches allows highly accurate dosing and quick color changes between machine runs. [3] [4] Masterbatches are highly concentrated compared to the target composition, with high "let-down ratios"; for example, often 25 kgs of a masterbatch can be used to compound one ton of base polymer. [5]

  3. The 7 best gray hair treatments of 2025, according to hair ...

    www.aol.com/lifestyle/best-gray-hair-treatments...

    The shampoo alone has nearly 10K reviews, with users noting noticeable improvements in their gray hair’s color, especially those with color-treated hair. Pros Neutralizes yellow or brass tones

  4. Hair Loss: How Much is Normal? And When Should You See Your ...

    www.aol.com/hair-loss-much-normal-see-202600672.html

    Stress: Stress-induced hair loss is known as telogen effluvium, and it typically occurs a few months after a stressful event, like an illness, a breakup, or the loss of a loved one. With this, you ...

  5. Management of hair loss - Wikipedia

    en.wikipedia.org/wiki/Management_of_hair_loss

    Three medications have evidence to support their use in male pattern hair loss: finasteride, dutasteride and minoxidil. [15] They typically work better to prevent further hair loss than to regrow lost hair. [15] They may be used together when hair loss is progressive or further regrowth is desired after 12 months. [16]

  6. Greying of hair - Wikipedia

    en.wikipedia.org/wiki/Greying_of_hair

    Photochemical hair damage encompasses hair protein degradation and loss, as well as hair pigment deterioration [17] Photobleaching is common among people with European ancestry. Around 72 percent of customers who agreed to be involved in a study and have European ancestry reported in a recent 23andMe research that the sun lightens their hair.

  7. Ketoconazole Shampoo for Hair Loss: Does It Work?

    www.aol.com/ketoconazole-shampoo-hair-loss-does...

    How to Use Ketoconazole Shampoo. Use ketoconazole shampoo like you would a regular shampoo. Here’s what to do: Wet your hair thoroughly. Apply the shampoo evenly to your hair and scalp.

  8. Traction alopecia - Wikipedia

    en.wikipedia.org/wiki/Traction_alopecia

    Traction alopecia is a type of alopecia or hair loss caused by a chronic pulling force being applied to the hair. [1] It commonly results from a person frequently wearing their hair in a particularly tight ponytail, pigtails, or braids with increased likelihood when hair is chemically relaxed as this compromises the hair shaft's tensile strength resulting in hair breakage.

  9. Hair coloring - Wikipedia

    en.wikipedia.org/wiki/Hair_coloring

    A woman with dyed pink hair. Hair coloring, or hair dyeing, is the practice of changing the color of the hair on humans' heads.The main reasons for this are cosmetic: to cover gray or white hair, to alter hair to create a specific look, to change a color to suit preference or to restore the original hair color after it has been discolored by hairdressing processes or sun bleaching.