The MLB is betting big on hair health.

Nutrafol, known for its hair growth supplements, has teamed up with Major League Baseball as the league’s first official hair growth partner. This also marks the brand’s first sports partnership. In addition, Nutrafol is now the first hair growth supplement to be NSF Certified for Sport.

“Partnering with Major League Baseball is a natural fit for Nutrafol, as we are both laser-focused on serving our customers and fans as well as meeting the highest standards in all that we do — as now seen by our hair growth supplements earning the top level of certification from NSF,” said Cindy Gustafson, chief executive officer at Nutrafol, in a statement. “As leaders in hair health, we can’t wait to begin our partnership during one of the most exhilarating times of the season, bringing hair wellness into the national conversation in a way that’s both impactful and inspiring.”

The partnership will kick off with a campaign titled “Hats Off,” a nod to the tradition of removing hats during major game moments, which will launch during the MLB’s 2025 postseason. It will include baseball ambassadors discussing their hair journeys, fan experiences at games, signage at ballparks and a sweepstakes to win tickets to the World Series and a year’s supply of Nutrafol.

In 2026, Nutrafol and the MLB will introduce “The Long Game,” an education-forward campaign centered around baseball ambassadors called “Hair Captains,” discussing the key triggers of hair loss and how Nutrafol’s products work.

“In recent years the MLB health and safety team has reported that many players have sought out certified hair growth supplements — and now they finally have a trusted option,” said Uzma Rawn Dowler, MLB chief marketing officer and senior vice president, global corporate partnerships, in a statement. “We’re looking forward to encouraging everyone at our games, from players to fans, to take their hats off and confidently celebrate with us as Nutrafol joins MLB as our official hair growth partner.”

As for its NSF Certified for Sport recognition, Nutrafol’s hair growth nutraceuticals now meet the NSF’s standards, often recognized as the highest bar for safety across supplements. The certification means it is free of more than 300 unsafe ingredients banned by athletic organizations, as well as high levels of certain ingredients that could have a negative impact.