Who uses heading powder or liquid

[Larso]

Hi,
any of you guys use these products or know anything about them. My LHBS sells them but theres little or no info on their website?

Thanks

L

 

[Copbrew133]

Is it supposed to aid in head retention in the finished product or prevent boilovers like Fermcap S?

 

[Copbrew133]

Nevermind, Isaw some threads on the bottom of the screen, never used it.