Add Yahoo as a preferred source to see more of our stories on Google. Both Prose and Function of Beauty offer custom hair care regimens, which are formulated based on a questionnaire you fill out.

Every time Lauren publishes a story, you’ll get an alert straight to your inbox! Enter your email By clicking “Sign up”, you agree to receive emails from ...

PureWow editors select every item that appears on this page, and the company may earn compensation through affiliate links within the story. You can learn more about that process here. Yahoo Inc. may ...