Function of Beauty is a customizable haircare brand that offers personalized hair care solutions. Their formulas are free from harmful ingredients like sulfates and parabens, and are never tested on animals. The brand allows customers to create their own custom hair care products, tailored to their specific hair needs and preferences, and manufactured in the USA. Function of Beauty aims to streamline and simplify the hair care routine while providing natural, effective, and sustainable solutions for happy, healthy hair.