The medical term for hair graying is canities. Hair turns gray (or white) when your hair follicles stop creating melanin. Melanin is the substance that gives your skin and hair color.
Methods: A retrospective analysis of patch-test results since October 2006 was done and yielded 28 patients allergic to PPD who were also tested with a hair dye series. From January 2004 through ...
depending on your hair type). Luckily, my many bleach and dye escapades mean I’ve tried plenty of color-safe formulas. By now, I know the stripping ingredients to avoid and the nourishing ...
The vast majority of reactions to hair-dye products are caused by PPD. [4–6] In past years, PPD was used in permanent hair dyes but not in semipermanent dyes. More recently, PPD has been used in ...
LIVE Color XXL allows you to follow today's trends for effortless ... Rinse thoroughly until the water runs clear and then massage the LIVE conditioner into the hair. Leave for 2 minutes and then ...
The easy to apply colour crème allows multiple application techniques from streaks to dip-dye or you can create a less intense, pastel result ? just add a small amount of colour crème to your ...