Achieve Healthy, Moisturized Hair Simply by Sleeping: Nitori Launches New "N Kirei Pillow Cover"
Nitori Holdings Co., Ltd., in collaboration with Teijin Frontier Co., Ltd., has launched the "N Kirei Pillow Cover," a novel "pillow cover-type cosmetic." Leveraging Teijin's fiber technology, the pillowcase releases beauty ingredients like malic acid during sleep, helping to moisturize hair and respond to consumer demand for integrating beauty care into sleeping hours.
📋 Article Processing Timeline
- 📰 Published: April 3, 2026 at 21:00
- 🔍 Collected: April 3, 2026 at 12:30
- 🤖 AI Analyzed: April 17, 2026 at 09:49 (333h 18m after Collected)
Nitori Co., Ltd. (Headquarters: Kita-ku, Sapporo; Chairman and CEO: Akio Nitori), in collaboration with Teijin Frontier Co., Ltd. (Headquarters: Kita-ku, Osaka; President and CEO: Susumu Kamata), has launched the jointly developed "N Kirei Pillow Cover." Sales began in mid-March 2026 at select Nitori stores and on the Nitori online store.
We had received numerous requests from customers wanting to utilize their sleeping time for beauty care amidst their busy daily lives. In response, we leveraged the fiber technology cultivated over many years by Teijin Frontier Co., Ltd. to jointly develop a new, beauty-focused "pillow cover-type cosmetic."
With a new technology that gradually releases weakly acidic beauty components, including malic acid (*1), this pillow cover guides you to healthy, moisturized hair while you sleep (*2).
*1 Purpose of inclusion: Moisturization
*2 Technology for stably retaining and slow-releasing beauty components. Manufacturer and distributor: Teijin Frontier Co., Ltd.
By using the "N Kirei Pillow Cover" in addition to your daily hair care routine, the beauty components in the product will maintain your hair's moisture while you sleep, making it smooth and easy to comb.
Why not adopt a new hair care habit to keep your hair healthy with a pillow cover you use every day?
Nitori will continue to focus on developing new products that make life more comfortable, convenient, and enjoyable.
■ Product Overview *All prices include tax
【Product Name】Hair Care While You Sleep Pillow Cover (N Kirei 01)
【Price】2,990 JPY
【Colors】Gray, Rose
【Size (approx.)】Width 43 × Depth 63cm
【Material】Fabric: 90% Polyester, 10% Polyurethane; 別布 (separate cloth): 100% Polyester
*A fee will be charged for purchases or deliveries to some remote islands.
*As this product is classified as a cosmetic, returns or exchanges after opening are not accepted.
【Seller】
Nitori Co., Ltd. 3-6-20 Kamiya, Kita-ku, Tokyo
【Manufacturer and Distributor】
Teijin Frontier Co., Ltd. NBF Comodio Shiodome, 2-14-1 Higashi-Shimbashi, Minato-ku, Tokyo
We had received numerous requests from customers wanting to utilize their sleeping time for beauty care amidst their busy daily lives. In response, we leveraged the fiber technology cultivated over many years by Teijin Frontier Co., Ltd. to jointly develop a new, beauty-focused "pillow cover-type cosmetic."
With a new technology that gradually releases weakly acidic beauty components, including malic acid (*1), this pillow cover guides you to healthy, moisturized hair while you sleep (*2).
*1 Purpose of inclusion: Moisturization
*2 Technology for stably retaining and slow-releasing beauty components. Manufacturer and distributor: Teijin Frontier Co., Ltd.
By using the "N Kirei Pillow Cover" in addition to your daily hair care routine, the beauty components in the product will maintain your hair's moisture while you sleep, making it smooth and easy to comb.
Why not adopt a new hair care habit to keep your hair healthy with a pillow cover you use every day?
Nitori will continue to focus on developing new products that make life more comfortable, convenient, and enjoyable.
■ Product Overview *All prices include tax
【Product Name】Hair Care While You Sleep Pillow Cover (N Kirei 01)
【Price】2,990 JPY
【Colors】Gray, Rose
【Size (approx.)】Width 43 × Depth 63cm
【Material】Fabric: 90% Polyester, 10% Polyurethane; 別布 (separate cloth): 100% Polyester
*A fee will be charged for purchases or deliveries to some remote islands.
*As this product is classified as a cosmetic, returns or exchanges after opening are not accepted.
【Seller】
Nitori Co., Ltd. 3-6-20 Kamiya, Kita-ku, Tokyo
【Manufacturer and Distributor】
Teijin Frontier Co., Ltd. NBF Comodio Shiodome, 2-14-1 Higashi-Shimbashi, Minato-ku, Tokyo
FAQ
What is the 'N Kirei Pillow Cover'?
It is a 'pillow cover-type cosmetic' co-developed by Nitori and Teijin Frontier that releases beauty ingredients to moisturize hair while you sleep.
What effects can be expected?
The beauty ingredients like malic acid in the pillow cover are expected to maintain hair moisture during sleep, making it smooth and easy to comb.
What is the price and release date?
The price is 2,990 JPY (tax included), and it went on sale in mid-March 2026 at select Nitori stores and the Nitori online store.