FUL emphasises the use of high-performance, vegan, and cruelty-free ingredients, ensuring their offerings are free from sulfates, parabens, and mineral oils. The brand's development involved collaboration with over 60 hairstyling experts, including global artists and runway hairdressers, to create products that meet professional standards while being accessible for everyday use. Additionally, FUL products are pH-balanced to maintain hair health and are safe for colored hair. Their commitment to quality and performance has been recognized in beauty publications, highlighting their Intense Moisture Hair Mask and Styling Spray as standout products.