Location History:
- Marktheidenfeld, DE (2010 - 2016)
- Darmstadt, DE (2017 - 2021)
Company Filing History:
12 out of 119 
1 out of 51 
1 out of 3,602 
Years Active: 2010-2025
Title: Celebrating Inventor Sandra Schmelz: A Pioneer in Hair Dye Innovations
Introduction
Sandra Schmelz, based in Marktheidenfeld, Germany, is a distinguished inventor known for her contributions to the cosmetic chemistry field, particularly in hair dye formulations. With an impressive portfolio of 13 patents, she has made significant strides in developing innovative solutions for hair coloring.
Latest Patents
Among Sandra's latest patents are two noteworthy inventions. The first, titled "Liquid Composition Comprising Hair Direct Dyes," focuses on a stable liquid mixture that incorporates direct dyes for hair. This composition is intended to be used after combining it with one or more other aqueous formulations, often enhanced by an alkalizing agent. The second patent, "Oxidative Dyeing Composition," describes an oxidative dyeing solution characterized by its mildness on the scalp. This invention features at least one dyestuff and avenathramide or its derivative, catering to the sensitive needs of consumers.
Career Highlights
Sandra has worked with several prominent companies in the beauty industry, including Kao Germany GmbH and KPSS - Kao Professional Salon Services GmbH. Her role in these organizations has been instrumental in bringing forth innovative hair dye products that prioritize both efficacy and safety for users.
Collaborations
Throughout her career, Sandra has had the opportunity to collaborate with talented professionals, including her coworkers Martin Uellner and Jonathan Wood. These partnerships have fostered a dynamic environment for creativity and innovation, resulting in cutting-edge products that push the boundaries of hair color technology.
Conclusion
Sandra Schmelz's contributions to the field of hair dye innovations through her patents highlight her as a leading figure in cosmetic chemistry. Her work not only reflects her expertise but also her commitment to developing compositions that meet the evolving needs of consumers. As the industry continues to advance, inventors like Sandra are paving the way for future innovations.