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Hemp is a durable and long-lasting fabric, but it's most effectively washed by hand. Machine washing and especially drying has a tendency to weaken hemp more quickly, losing the texture and strength that many people love about hemp clothing and other items. If you plan to wash your hemp fabric by hand, use a gentle, all-natural detergent and make sure to rinse thoroughly. Tom's soap works great for washing hemp items. Residual soap can leave cellulose, which oxidizes and leaves large brown spots on hemp, making it very important to soak hemp items in clean water thoroughly for a while after washing them. Hemp will get softer the more you use and wash it. If you need to get it softened faster, you can use a commercial softener, or just soak the hemp to let the fibers soften over time. If you want to soften hemp quickly, throwing it in the washer and dryer is perfectly fine. Use hot water to slowly ease open the hemp fibers and tumble dry it a few times to get it feeling soft quickly. Hemp should come out of the dryer soft and fluffy as any fabric. To get the most life out of hemp, it's recommended to air dry or line-dry it as often as possible. If your intention is to soften the hemp quickly, the heat dryer is fine to use a few times on a gentle cycle, but it's good to air dry hemp long term. Hemp clothing can be one of the most long-lasting and durable fabrics if treated properly and air-dried gently. Once your hemp piece is dry, you can use an iron on hot to flatten it out if it is wrinkled or creased. It is best to iron the hemp when it is still slightly damp, so you can take it off the line while it's still a bit damp. Stretch the article to its natural shape and size and then iron it normally. For hemp that is colored, use an iron on the underside only.
Wash your hemp by hand. Wash your hemp garments a few times if you need to soften them. Air or line dry hemp clothing. Eliminate wrinkles from the wash by giving your hemp a hot iron.