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You can get 20% off bestselling beauty products at Function of Beauty with our exclusive code

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Multi-colored hair products and comb in front of pink background. Credit: Function Of Beauty

Recommendations are independently chosen by Reviewed’s editors. Purchases you make through our links may earn us a commission.

When it comes to shopping for hair-care products, your first bet is to likely head to your favorite beauty store or drugstore and scoop up a set of shampoo and conditioner made with your top concern in mind—volumizing, hydrating, detoxing, you name it. While these products can definitely lead to cleaner, healthier-looking and feeling hair, we can’t help but wonder: Would custom hair-care products be a better bet? According to Function of Beauty shoppers—over 72,000 of which have stamped the brand with their 5-star seal of approval—almost undoubtedly. 

Use code REVIEWED20 for 20% off products at Function of Beauty

And, fortunately for us, the cult-favorite custom hair-care brand is currently offering Reviewed and USA Today readers 20% off with code REVIEWED20 at checkout. The code runs until August 19, so, if you’ve been hoping to see if the personalized products are worth the hype but have been too hung up on the price, now’s the perfect opportunity. 

Multi-colored hair product bottles together in front of a green backround.
Credit: Function Of Beauty

Customize your haircare experience Function of Beauty.

For those that don’t know, Function of Beauty is a customizable hair-care brand that has expanded into skincare, as well. When it comes to haircare, the brand uses a quick and easy quiz to determine top hair concerns, and then formulate the perfect shampoo and conditioner, housed in the most effective and aesthetic packaging of your choice. 

Need a bit more convincing? While tens of thousands of 4- and 5-star reviews are impressive, what’s even more impressive is that Function of Beauty has earned an Editors’ Choice badge, which means it’s been selected as one of the top products our beauty editor, Jessica Kasparian, has tested.

“On the subject of hair, I've used shampoo and conditioner from Function of Beauty for over a year and plan to keep it up,” Jessica says. “I tested the customizable hair-care brand—which has since expanded to include skincare and body products—and enjoyed the clean, moisturized results I got enough to continue with the service post-testing.”

While in her original review, Kasparian wrote that she didn’t think anyone needs a customizable hair-care routine, she now admits that she sees the benefit and shares why she plans to maintain her use. “I'm hooked on the eucalyptus fragrance that I chose, the pump bottles that make it easy to get the right amount of product, and the refreshing feel this gives my hair,” she says. “If your Function of Beauty results are like mine—but catered to you, of course—I think you'll be thrilled.”

Shop 20% off Function of Beauty with the code REVIEWED20

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

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