What is SOLID ROCK? it's a styling clay that creates shape and texture with a true matte finish. If your looking for a product to give hold without the shine and something to hold the rigors odf Disco Dancing, playing sport or "rolling in the hay" then look no further than Solid Rock. Unlike other instant rockstar products, Solid Rock is non water based which means you can't sweat it out. Wash out with Hemp Rock. Solid Rock is strong and dependable, earthy and reliable like the ground you stand on