Gibs Tea Tree Shampoo is a nourishing shampoo that is formulated to cleanse and strengthen the hair. It is suitable for all hair types and is free from harsh sulfates, parabens, and dyes. The Tea Tree Shampoo is also formulated with tea tree oil, which is known for its nourishing and hydrating properties and its ability to help promote a healthy scalp. Tea tree oil can be particularly beneficial for those with dry or oily scalps. The Backbar Bag appears to be a bulk size of the Tea Tree Shampoo, which is convenient for professional use in salons or barbershops.