HASK Invigorating Tea Tree Oil and Rosemary Sulfate-Free Hair and Scalp Treatment Mask is infused with purifying Tea Tree oil to help unblock hair follicles and Rosemary to help reset the scalp and restore strands. This invigorating treatment mask gently detangles, softens and moisturizes strands while helping leave the scalp feeling rebalanced and refreshed. Refreshes and soothes for all hair types with a refreshing Herbal scent. For best results, use with the rest of the HASK Tea Tree Oil and Rosemary Invigorating collection.