Truss High Liss Professional Thermal Sealing 650ml/21.98 fl oz.

Truss Professional High Liss is a high-performance, formaldehyde-free smoothing treatment that reduces volume and frizz while intensely hydrating and reconstructing hair. It utilizes nano-acidic proteins to seal cuticles, providing a natural, shiny result that lasts 8-10 weeks and is safe for colored or non colored hair.