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Function of Beauty's new custom hair product offers sleek, voluminous strands in a bottle

Function of Beauty launched its Custom Styling Primer.
Function of Beauty launched its Custom Styling Primer.

— Recommendations are independently chosen by Reviewed's editors. Purchases made through the links below may earn us and our publishing partners a commission.

There's a reason why beauty products go viral for their customer-touted, show-stopping abilities: Everyone has their own unique hair needs and desires, and these products can be tailored to solve them. That's why it's not surprising that bespoke beauty brands, like Function of Beauty, have become incredibly popular. Right now, you can get your hands on Function of Beauty's newest item, the $29 Custom Styling Primer, to smooth and voluminize your strands.

$29 at Function of Beauty

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Custom Styling Primer claims to be "formulated with your unique styling goals and hold level to easily achieve any style." While no two bottles will be the exact same—ahem, it's customizable after all—the spray's key ingredients include "styling hybrid polymers" to prime the hair for styling, hydrolyzed rice protein to add volume and bounce at at the root and provitamin B5 to condition hair and reduce frizz. The primer also claims to offer heat protection up to 450 degrees, prevent color fading and protect against UV rays.

Before (left) and after (right) using the Custom Styling Primer.
Before (left) and after (right) using the Custom Styling Primer.

To create your custom spray, you'll fill out a short survey that asks about your hair type and texture, style goals, how much hold you want the primer to give your hair and more. You can even choose your primer's fragrance (or lack thereof) and scent strength.

Before (left) and after (right) using the Custom Styling Primer.
Before (left) and after (right) using the Custom Styling Primer.

As a perk of being Reviewed's beauty editor, I was sent the custom styling primer before it was available and have loved spraying it all over my hair when it's damp to air-dry it. I've noticed that the curls in my long, wavy-curly hair look better defined and smoother when I use this and I adore the sweet coconut scent I chose. I'm happy to have this as part of my hair-taming arsenal. I've also tested Function of Beauty's shampoo and conditioner for Reviewed, and went on to purchase it myself and recommend it to friends, so I'm not surprised I enjoy this newest item in the hair care line.

$29 at Function of Beauty

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Prices were accurate at the time this article was published but may change over time. 

This article originally appeared on Reviewed: Shop the Function of Beauty primer for all hair types