Nightcap Hair cap Long hair, 100% silk Worn once and home-cleaned. There are fold wrinkles. Color: Pink Ash Size: Approximately 48 x 32 [Secret to Beautiful Hair] Silk is a fiber made of 18 amino acids, and its main component is "protein," the same as human skin. It is rich in "fibroin," an ingredient expected to have beautiful hair effects. [Hair Care While Sleeping] Silk is full of elements that are good for hair. In addition to excellent moisturizing and antibacterial effects, it prevents static electricity and reduces friction. If you use a silk nightcap, your hair will be moist and smooth when you wake up in the morning, without being dry, and your morning preparations will be easy.