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Engineers and Musicians in Collaboration
The sensibilities of musicians and scientific rigor of acoustics engineers work synergistically to produce bold innovations in an industry often resistant to progress.
40 Years of Violin Acoustics Research and Development
Cleveland, OH based Luthiers
Dr. Peter Zaret started his luthier and R&D business 40 years ago with the aim of injecting a spirit of freedom and scientific inquiry into the violin building world. His tonal innovations and materials science breakthroughs have resulted in startlingly effective products.
Peter's flagship innovation, Zarelon FH, has already had an impact on the classical music world - elite instrumentalists like Tina Guo, Derek Barnett, and Rhett Price make their careers with Zarelon bow hair.
- Hair is impossible to break or stretch when playing. Never rehair again.
- Identical to traditional horsehair in appearance and touch. Continue using your favorite rosin.
- Never fear aggressive, intense passages; focus on the music - not on breaking bow hairs.
- Zarelon FH is a reinforced keratin biocomposite derived from horse hair; its enhanced mechanical properties result in zero stretching or breaking and a characteristic firmness and clarity.
- FH Is never bleached or dyed; traditional horsehair however is always washed with poisonous chemicals and bleached to remove urine, soil and other contaminants, making it brittle and weak.
Molecular Analysis
Traditional horsehair is bleached and treated with poisonous chemicals to remove urine and soil, making it brittle and shrill sounding. Keratin has a molecular weight of 173.3 g/mol; the purified horse keratin of Zarelon regenerated horsehair has a molecular weight of 577.8 g/mol and produces a characteristic buoyant, resonant tone.
Computed by PubChem 2.2 (PubChem release 2023.10.14)
Certified by PubChem 2.2 in 2023.
Tina Guo
Hans Zimmer's favored Cellist
Tina Guo has pushed the power of the cello into supernatural domains, traveling the world playing the Dune soundtrack. She relies on Zarelon to support her adventurous and fearless playing style.
Clay
Reviewed in the United States on April 9, 2025
Personally, as a performer or audience member, I find flying, broken bow horsehair very distracting. It no longer needs to be a problem with the carbon fiber cello bow with Zarelon FH!
Sara Williamz
Reviewed in the United States on April 3, 2025
Wow! I am very impressed. I needed a bow that was a little tougher than your average one. Honestly, I thought it was going to be impossible to find something that sounded good and never broke. And so far so good! Glad I took the chance. I'm going on show 5 and still hanging in there!
K Pinkava
Reviewed in the United States on April 20, 2025
This is the perfect bow for those who play in a variety of temperature and humidity environments. The Zarelon hair does not stretch and the carbon fiber bow is is both light, responsive, and stable. I’ve been using Zarelon bow hair for over two years and have never had a hair break while playing. This is a great product. Keep up the good work Dr. Z!
Maria Pappas
Reviewed in the United States on December 9, 2024
The Cello Hair is just right! I did not know this existed: Not to re-hair ever again, and with an equal and even fuller sound, will not only save me literally hundred and hundreds of dollars, but also with an even better sound — This is a win-win for me! I studied this type of bow hair it is way better than only horse hair! Time to go forward. Full recommendation from me! Thanks!
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