This natural hair dye may help you add black colour, shine and lustre to your strands ... Herbal hair colours are biodegradable and safe for the environment. Safe: Herbal hair colours are free from ...
In addition, a person may have used a particular hair dye for many years without problems — until the immune system becomes sensitized to the chemical through an unnoticed cut, scrape or other ...
He added: 'The most important factor in exposure to hair dye is the shade you use. 'All of the shades use essentially the same chemicals, but there's quite a lot more of them (the chemicals ...
Background: Finding alternative hair dyes ... substances in the dye series. All 10 patients who tested positive to PPD and negative to PTDS who subsequently used a PTDS dye free of PPD tolerated ...
"Drugstore shampoos may feel like they're getting your hair and scalp really clean, but they can have chemicals in them that are linked to fading of ... which signifies that all the dye has been ...