Topical licorice : any user?

Hi guys,

I just found out about licorice and what it can do.

It looks to act like as a testosterone inhibiter.

According to a study, people eating few grams decrease T by 26% after only 7 days.

I still have dandruff and SD that I have trouble to get rid of.

Would it be intresting to put some powder in my shampoo? I have no idea if it would penetrate the scalp.
If it does, would it be systemic?
I would love to decrease T on my scalp (if it doesn't increase DHT and keep my systemic T intact of course).

Hope you have some experience about that.

I'm no expert on this stuff but I would need reluctant to use it since I believe licorice reduces tyrosine, which I believe could lead to premature hair greying.

Thanks for that advice CF.

Indeed, it looks to be bad for hair color.

Then I will avoid that stuff.