Beauty Natural Hair

Customize To Meet Your Hair Goals

 Over the years I’ve tried a variety of different products trying to find the perfect fit for my hair. But did you know there are scientific explanations for what works well with your hair and what doesn’t? We sat down with Zahir Dossa, Co-founder of Function of Beauty, for an interview to gain insight on his creative idea for haircare customization rooted in science.


Author: Leah Thomas

What is your background and how did you come up with the idea for Function of Beauty?

I received a PhD in sustainable development at MIT, focusing on the role of internet-based technologies to transform value chains, using the argan oil industry in Morocco as a case study. I ended up forming The Argan Tree, a cooperative of 60 women in Morocco, and developing a suite of products infused with argan oil to sell in the U.S. directly to customers– thereby eliminating middlemen and ensuring that profits were returned to the women producers while allowing customers to afford products at fair prices. 

Eventually, based on customer feedback, I realized I could use technology to truly transform the beauty space by creating individually-filled, personalized bottle for each and every customer. After all, since every single person is different, every single person deserves their very own, uniquely customized set of products.

How does your brand promote sustainability? 

We avoid parabens, sulfates, GMOs, triclosan, etc. ensuring that we take a long-term perspective on hair care. We also use recycled materials as much as possible throughout our packaging and have made sure that everything is recyclable.

What are some of your favorite essential oils for hair care? 

Eucalyptus, lavender, tea tree, rosemary, peppermint, and spearmint with a light, fresh minty smell.

How customizable can hair care be and why is this versatility important for consumers?

We have 12 billion potential combinations, accounting for a different combination for every single person. Because every single person is different, and their hair is different, it only makes sense that their shampoo and conditioner should be different. We haven’t filled the same formulation twice! Rather than forcing people into a “box” we instead choose to celebrate people’s individuality.


A product customized to fit the needs of many KE natural hair readers: fight split ends, strengthen hair, and moisturize.

 Should consumers upgrade products to meet different hair goals? 

Some hair goals are performance based (i.e. sealing split ends) that are continuous, while others are issues we hope to combat and ideally fix over time. As people’s hair needs change, or their location, or the season, we’d like to evolve and adapt with them.


To learn more about healthy natural hair care, check out Kimberly’s eBook “Curly Halo,” which will teach you to build a healthy hair and life regimen to prevent breakage and yield growth.

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