We are rewriting the rules of beauty
— by putting you in charge.
Our Founders
Zahir Dossa
An MIT engineer with a PhD in sustainability, Zahir wanted to pioneer individualized haircare at scale. The solution? Empower customers to co-create their perfect formula.
Hien Nguyen Kaplan
An experienced industry chemist, Hien laid the groundwork we use to craft unique formulas powered by highly effective ingredients tailored for your needs and goals.
Josh Maciejewski
An MIT engineer with expertise in supply chains and data science, Josh created our first-of-its-kind production facility and algorithm to make it a reality.
Our Approach
Every ingredient in your formula is intentional. We focus on select, targeted, high-performing ingredients, expertly combined in the right concentrations to work best for your hair.
We deliver freshly formulated, customized hair care right to you, minimizing waste, and ensuring you get everything you need — and nothing you don’t.
Learn MoreOur Impact
54%
REDUCED CARBON
We’ve lowered our carbon emissions by changing our packaging to 100% recycled plastic for shampoo and conditioner.
10%
Lowered Emissions
By sourcing our packaging in the US, we've designed our supply chain to minimize our transportation and sourcing emissions.
Our Innovation
1
Our proprietary algorithm creates your unique custom care on demand.
2
Our one-of-kind production facility customizes millions of different formulas.
3
Your haircare is created fresh and shipped within hours of being bottled.
4
We formulate and produce our products ensuring quality and performance every step of the way.
We Support Women in STEM
Only 27% of those working in STEM are women. Because we are scientists at heart, we strive to facilitate access to science by proudly partnering with GirlStart.
Learn More
Function visits the campers
Hands-on learning and fun
The next gen of STEM enthusiasts
Join The Function Family
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