As you jet off on your summer holidays, it’s worth remembering of the risks of so-called ‘Black Henna’ Temporary Tattoos which can cause you to develop allergies to hair colorants.  While on holiday, many people opt to have a fun temporary ‘black henna’ tattoo applied on the beach or by the pool. Henna extract is orange-red in colour; however, some tattoo artists offer a much darker ‘black henna’.  There is no such thing as ‘black henna’ and so-called ‘black henna’ temporary tattoos can cause painful short and long-term damage to skin and may cause people to develop an allergy to hair colorants which will prevent them from colouring their hair in future.  So what is in ‘black henna’? The truth is that so-called ‘black henna’ temporary tattoos are not likely to be henna at all, but may contain a substance called PPD (paraphenylenediamine). This use of PPD in tattoos and at such high concentrations is illegal in the EU, and it can be very harmful if applied direct to your skin in these types of temporary tattoos.  PPD – what does it do? PPD is used safely and legally as an ingredient in hair colorants, but when applied directly to the […] Read More