20% off your first large shampoo + conditioner set!

the world leader in customizable beauty

100% custom hair, skin,
and body care.

take the hair quiz

new

face it

we couldn't stop at hair

Take the skin quiz and get your one-in-three-billion, complete, skin routine.

let's talk skin

customize from (hair) to toe

Your hair / skin / body type. Your formula. Your fragrance. You name it (literally).

★★★★★

73,000 five-star reviews

+ happy customers

read the reviews

how it works

^1/3 you take the quiz

You tell us a little about your hair, body, or skin, then choose your goals, fragrance, and name of your unique formula. There are trillions of possible formulations, but only one Function of YOU.

take the hair quiz

^2/3 we formulate + customize

We process your answers to determine the unique blend of clean ingredients needed to address your specific needs, goals, and preferences (because sometimes you need a team of eco-conscious MIT-trained scientists + engineers to help you with your care regimen).

design your hair formula

^3/3 You part ways with drugstore products for good

Once completed, your formula(s) are delivered right to your door along with extra good stuff (think: pumps, stickers, gifts, personalized regimen card). We hope you like compliments ☺

get started