Kyogoku BIOSLEEP Pillow Nano Silk Keratin Prevents Bedhead, Reduces Hair Friction Purchase Date: December 2025 Retail Price: ¥14,950 (Tax Included) ★ Used about 3 times. [1] Nano Silk x Keratin, a beauty pillow that minimizes friction for your hair. Uniquely formulated with nano-sized silk fibers and keratin protein. Reduces friction and static electricity caused by tossing and turning, minimizing hair tangles, bedhead, and dryness. This is a "night care pillow" that changes how your hair looks in the morning. [2] Bio-foam structure aligns posture and promotes deep sleep. Employs bio-foam that senses body temperature and pressure, automatically adjusting to provide support. Supports the neck, shoulders, and head at the correct angle, guiding you to a posture that facilitates breathing, reducing fatigue in the morning. [3] Micro-cell structure releases moisture and keeps it clean. The internal micro-cell structure enhances air circulation, releasing heat and humidity for constant comfort. Even if you sweat, it won't get trapped inside, preventing unpleasant odors and stuffiness, keeping the pillow clean. [4] A "sleep beauty design" pillow created by a hairdresser. Developed by a hairdresser to maintain salon-fresh hair. Charges your hair, skin, and mind simultaneously with its unique "sleep beauty engineering," providing shine and moisture while you sleep. Changes your beauty in the morning. Used about 3 times. There are a few spots on the surface that look like scratches, but since it has hardly been used, I think it's in a clean condition. Please refrain from purchasing if you are sensitive to used items.