How it works
A little quiz biz.
Take just two minutes to answer some questions about your hair.
Reliance on science.
With 20+ years of experience, our clever scientists have designed a crackerjack algorithm that determines the right products based on your specific hair info. Yours might have avocado oil for shine. Or quinoa protein for color protection. Or glycerin for added moisture. Your results page will give you all the formula details.
Stare at your fine hair.
In a couple of days, you’ll receive your Gemma Shampoo and Conditioner. After an amazing in-shower experience with our luxe formulas, your implausibly beautiful hair will speak for itself.