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

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    Use it at the end of your hair wash routine, let it sit for just 5 minutes, and then rinse it out. ... Gray hair treatments go far beyond purple shampoo, conditioners, and hair dye. Supporting ...

  3. The 14 Best Shampoos for Color-Treated Hair, According to ...

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    We also considered different hair types and wide-ranging colors (from blonde to brunette and red) to find the best shampoos for color-treated hair. 1. Olaplex No. 4 Bond Maintenance Shampoo

  4. 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]

  5. Dermatologists Break Down the Best Shampoos for Graying Hair

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  6. Hair care - Wikipedia

    en.wikipedia.org/wiki/Hair_care

    Shampoos work by applying water and shampoo to the hair. The specific shampoo for oily or dry hair breaks the surface tension of the water, allowing the hair to become soaked. [6] [7] This is known as the wetting action. The wetting action is caused by the head of the shampoo molecule attracting the water to the hair shaft.

  7. Management of hair loss - Wikipedia

    en.wikipedia.org/wiki/Management_of_hair_loss

    Certain hair shampoos and ointments visually thicken existing hair, without affecting the growth cycle. [76] There have also been developments in the fashion industry with wig design. The fashion accessory has also been shown to be a source of psychological support for women undergoing chemotherapy, with cancer survivors in one study describing ...