Hi I am soon going to start doing wefted hair extensions in salon. I have been taught by one of the best hair extension person that specialises in wefted hair extensions in south Yorkshire. I'm a qualified level 3 hairdresser and have been hairdressing 6 years and looking to expand by doing hair wefts, I just need advise on the legal side of things please.. Do I have to have a certificate and be properly qualified to do hair extensions? Help please!