Newer permanent and demipermanent hair dyes that have replaced PPD with para-toluenediamine sulfate (PTDS) are now available. Objective: We examined whether individuals allergic to PPD will ...

Studies, some stretching back decades, have found an increased risk of cancer among hairdressers due to a group of harmful chemicals in hair dyes, commonly referred to as aromatic amines. “ ...

This custom hair color kit is a great middle ground. Fill out the brief quiz about what you’re hoping to achieve and what type of hair you have, and a colorist will custom-mix you a concoction ...

we've rounded up the best silver hair dyes you can shop on the high street. We have covered all bases, so if you want to make the move to a permanent silver dye look, fancy something that won't last ...

IN Jervis's introductory study, and in subsequent case reports of phenylketonuria (phenylpyruvic oligophrenia), a blonde hair colour and a fair skin have been noted in the large majority of the ...

In time, your hair color and texture may return to what it was prior to chemo, but this can take time. If you opt for shorter styles, you may notice this within a year. If you grow your hair longer, ...

The intensity of hair color depends on the density of pigment within the melanosome. Both eumelanin and pheomelanin are made from the amino acid tyrosine, using the enzyme tyrosinase. Increased ...

Truswell was the first in his area in Western Massachusetts to have ... your hair since bleaching typically uses a lot of peroxide, which damages your hair. Instead, opt for a dye that is close ...