The Wax Company -Shark Shock (White Widow X Skunk #1) THC-A Crystalline provides a surprisingly clean, focused, and inspired high. Health conscious patients can rest easy knowing that THC-A Crystalline is completely free of any chemical inputs (think butane). 90% THC. Now remember, this pure THC does not contain terpenes (the magical compounds that give cannabis strains their distinctive aroma and flavor profiles while contributing to their therapeutic effects)