It keeps my scalp nice and dry, breaks my hair off occasionally, will help induce cancer, and as expected it is tested on those cute little bunnies.
Bath oils that contain tar are most of the most effective, so try this option if available. https://netcallvoip.com/wiki/index.php/Natural_Hairstyles_Guide_-_The_Best_Natural_Hairstyles_You_Can_Style_In_Your_Own