Chi hair treatment 355ml enviro smoothing dyed hairCHI 44 Iron Guard Thermal Protecting Shampoo is specially formulated to protect color treated and dyed hair while providing smoothing benefits. This 355ml treatment harnesses the power of silk proteins and thermal protection technology to shield hair from heat damage and environmental stressors. Ideal for dyed hair that needs extra care, this smoothing treatment reduces frizz, enhances shine, and helps maintain color vibrancy. The lightweight formula