How to Wash UGG Comforter in Washing Machine Most Ugg comforters are dry clean only. Machine washing or hand washing can damage or ruin your Ugg comforter, so proceed with caution if you choose to opt for either of these cleaning methods. Machine wash your Ugg comforter on a delicate, cold cycle using 2 tsp (9.9 mL) of a gentle detergent and hang it to dry. Can I Put My UGG Products in the Washing Machine? No, our products are too delicate to be machine-washed. Most of our products are made from sheepskin or leather, which can be ruined by water. Never machine wash or dry clean your sheepskin or leather products.