Currently, about nine million tons of plastic gets thrown into the ocean annually, which breaks down to one garbage truck full of plastic being dumped into the sea every minute. By using shampoo bars instead of buying shampoo bottles, you can help make a dent in the amount of plastic that winds up in the ocean. Shampoo bars usually come wrapped in recycled paper or in paper boxes instead of plastic and are often made of natural ingredients to promote hair health. Plus, the bar’s natural ingredients also make it better for the environment. If you’re still not convinced, here are five reasons to make the switch from bottle to bar.