Research and Development
Overcame >80 Technical Challenges
Visited >50 Toothbrush Factories
Improvements of the 8th-generation model
Our Mission
We believe better oral care shouldn’t require perfect technique, extra force, or complicated routines.
At Heisr, our mission is to make daily brushing easier and more effective — so people can care for their teeth and gums without overthinking how, where, or how hard to brush.
The Problem Most People Never Solve
Most people believe they’re brushing well.
Yet plaque often remains along the gumline and inner tooth surfaces — the areas traditional brushes struggle to reach.
Brushing longer or harder doesn’t fix this.
It often leads to irritation, sensitivity, and inconsistent results.
The issue isn’t effort.
It’s coverage, pressure, and design.
How We Rethought Daily Brushing
Who We Are
We’re a team of product designers, engineers, and everyday brushers who got tired of brushing routines that never felt quite right.
Through countless prototypes, user testing, and manufacturing iterations, we focused on one question:
How can brushing work better for real people, every single day?
Heisr is the result of that pursuit.
We visited >50 toothbrush factories
Overcame >80 Technical Challenges
Improvements of the 8th-generation model
Eight Generation 3-Sided Toothbrush R&D Journey
First Generation
First Generation 3-Sided Toothbrush Prototype
Define the technical prototype of the three-sided toothbrush and determine the fundamental structural principles of the three-sided toothbrush.
Second Generation
Second Generation 3-Sided Toothbrush Prototype
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Third Generation
Third Generation 3-Sided Toothbrush Prototype
Achieve the design goal of reducing the brush head size and creating a flatter appearance; the downsized brush head can be easily inserted into the oral cavity.
Fourth Generation
Fourth Generation 3-Sided Toothbrush Prototype
Overcome the technical challenge of inclined bristle implantation on the brush head to meet the standards of the Bass brushing technique.
Fifth Generation
Fifth Generation 3-Sided Toothbrush Prototype
Resolve the production challenges of the brush head’s rotating components to provide validation for subsequent mass production.
Sixth Generation
Sixth Generation 3-Sided Toothbrush Prototype
Test bristle pressure and set 150 grams as the optimal bristle pressure standard to protect the gums from damage.
Seventh Generation
Seventh Generation 3-Sided Toothbrush Prototype
Develop a new technical solution for the brush head to adaptively fit the teeth based on the different thicknesses of incisors and molars.
Eighth Generation
Eighth Generation 3-Sided Toothbrush Prototype
Add soft rubber coating to prevent tooth collisions during brushing. Optimize internal components to meet mass production standards.
Worldwide Patented and Certified
The Heisr three-sided toothbrush has obtained more than 30 patents worldwide.
USA Invention Patented
Australian Invention Patent
Japan Invention Patent
PSE Certificate
Europe Invention Patent
Canadian Invention Patented
FDA Certificate
CE Certificate
3-Sided Deep Cleaning
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Truly Protect Your Families' Oral Health
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Real 360° Easy Cleaning
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