Take your chemical service results to the next level with this potent, liquid form of K-PAK Keratin Protein. When used with color services, this powerful backbar treatment helps equalize porosity so your client’s color lasts longer, looks more vibrant, and is beautifully even from scalp to ends. When used with perming and straightening services, it boosts the strength and elasticity of hair for longer-lasting, improved texture patterns—with less damage occurring during the processing stage.* *Based on survey responses from a field test of 43 stylists