Henna hair dyes that deeply condition and enliven your natural tones with colour and serious shine. Natural hair dye and PPD free.
If you have reacted to hair dyes before, consult a dermatologist for patch testing and a formal diagnosis. Strictly avoid PPD / PTD if you have ever had a black henna temporary tattoo, as this can sensitise you. Don’t expect miracle results with the more natural options. Understand carefu...
The hair dyes PPD and PTD fail to induce a T(H)2 immune response following re- peated topical application in BALB/c mice. J Immunotox- icol 2011:8;46-55.Rothe H., Sarlo K., Scheffler H., Goebel C.: The hair dyes PPD and PTD fail to induce a TH2 immune response following ...
“Henna gives an orange/reddish-brown stain. Any product that calls itself black henna must contain an ingredient in addition to pure henna to achieve its ebony color. In most cases, this added ingredient is PPD, that is also found in many black hair dyes. Another reason for using PPD add...
Mutagenicity of p-phenylendiamine (pPD), commercial hair dyes containing pPD and conjugates of pPD with resorcinol in Salmonella typhimurium TA98FuelsIdahoNew York (StateTaxationTrucksNo abstract provided.doi:10.1016/0165-1161(81)90158-8R. Crebelli...
{Federation of European Neuroscience Societies and Blackwell Publishing Ltd}, series = {Contact Dermatitis}, title = {Is p-phenylenediamine (PPD) a better marker of contact allergy to PPD-based hair dyes than its salt PPD dihydrochloride?}, url = {http://dx.doi.org/}, volume = {75}, ...