Yes alot of tigi products are good, however some systems i have found sensitivity to some products including my own head lol, over the years i need the trust in products i use, before applying, one systems peroxide for instance had a reaction even though the test was ok, bless my client allowed me as she had been having the same root color for years, the system then brought out their own developer, trusting the system i used theirs, she then had same colour range and my cream developer i trust i was using before just on the nape area, no problems, there after i stuck to safety, she has never looked back, other clients also felt sensitivity, as for insurance obviously depends on insurer, as a professional which most insurers class this as qualified and working in a salon for over 5 years, we have a trade act ln what products we buy and use under the health and safety views what we have tested in our salon, my insurance allows my knowledge as long as i follow the guide lines of % and testing, however yes tigi system has worked well with no
problems, i do loads of mixing and matching for creative colours, sometimes using different systems together ie permanent to semi to demi, this would contradict any insurance as its all used in the same sitting, which alot of color tec's do for more vibrant colours.