Some of you asked the following questions: 🌱 How often can you use Smart Bond Protection and Strengthening Concentrate in colour formulas? Answer: Smart Bond Protection and Strengthening Concentrate can be used for each colour service. 🌱 Can you use Smart products on extensions? Answer: Yes. We never tested on synthetic hair extensions, but it will be compatible with natural, good quality hair extensions. For “tape-ins/k-tips” seek and follow recommendations from the supplier. NATURALLY SMART #NaturallySMART #SMARTbyOligo #oligopro #hairrepair #haircare #hair #haircare #healthyhair #hairlove #bestshampoo #bondbuilder #hairtransformation #selfcareforhair