Can researchers get ahold of GRP44 receptor blockers?

Can hair researchers even get their hands on one of these experimental GPR44 receptor-blockers to test for hair growth purposes?

» Can hair researchers even get their hands on one of these experimental
» GPR44 receptor-blockers to test for hair growth purposes?

What do they block? DHT ?

» What do they block? DHT ?

Prostoglandin D2