The Rusk Universal Shine Enhancing 10V Cream Developer in the 33.8 fl.oz size provides a large quantity of developer for various hair coloring applications. With its 10-volume formulation, this cream developer is commonly used for toning, refreshing, or depositing color on hair that has been previously lightened or treated. The 33.8 fl.oz size offers ample product for multiple applications, making it suitable for both personal and professional use. Whether you're a salon professional or an at-home enthusiast, this large-sized bottle ensures you have enough developer on hand to complete your hair coloring projects with ease.