JosephineHuman Hair. Color: 1B How to wear short units properly to retain hair growth. 1. Wash and condition hair 2. Moisturize hair with moisturizer of choice. 3. Braid hair going back or in a crown. (Make sure braids are flat and not individually braided, it will create a bump and an unrealistic look). You can leave braids in 1 to 4 weeks. However, while braided do not neglect your hair. Apply the same moisturizer across your braids once a week. 4. Wear wig