Jielu Zhao

Title: Innovations in Hair Coloring: The Contributions of Jielu Zhao

Introduction

Jielu Zhao is an accomplished inventor based in Mason, OH, known for his significant contributions to the field of hair coloring. With a total of two patents to his name, Zhao has developed innovative methods and compositions that enhance the hair dyeing process.

Latest Patents

Zhao's latest patents include a method of coloring hair with washfast blue imidazolium direct dye compounds. This method involves applying a hair color composition that contains one or more direct dye compounds, followed by rinsing the hair with water. The direct dye compounds are designed to enter the hair shaft, resulting in vibrant color retention. The hair color composition has a pH range of about 6 to 11, while the pH after rinsing is maintained between 3.5 and 6. This unique formulation allows for the transformation of incipient cations from neutral to positively charged within the hair shaft, enhancing color stability.

Another notable patent by Zhao involves hair color compositions comprising stable violet-blue to blue imidazolium azo compounds. These compositions are characterized by their simplified chromophore and high solubility in aqueous systems. They are remarkably stable under various conditions, making them ideal for dyeing hair and other keratinaceous materials. The compositions may also include an oxidant to further improve their effectiveness.

Career Highlights

Zhao's work at Noxell Corporation has positioned him as a key player in the hair care industry. His innovative approaches to hair dye formulations have not only advanced the science of hair coloring but have also contributed to the development of safer and more effective products for consumers.

Collaborations

Throughout his career, Zhao has collaborated with notable colleagues, including Bryan Patrick Murphy and Guiru Zhang. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies in hair coloring.

Conclusion

Jielu Zhao's contributions to the field of hair coloring through his innovative patents have significantly impacted the industry. His work continues to inspire advancements in hair care products, ensuring that consumers have access to high-quality and effective solutions for their hair coloring needs.