Shinnihonseiyaku’s Perfect One All-in-One Serum Gel Series Tops Japan’s All-in-One Skincare Market for 10 Consecutive Years

Shinnihonseiyaku Co., Ltd., headquartered in Fukuoka City and led by President and CEO Takahiro Goto, announced that the flagship “Perfect One All-in-One Serum Gel Series” from its simple skincare brand Perfect One has achieved the No. 1 domestic sales position in Japan’s all-in-one skincare market for 10 consecutive years. Perfect One was launched in 2006 in response to customer feedback such as, “I am too busy to spend time on skincare, and I wish there were products that let me care for my skin without extra effort.” Its flagship All-in-One Serum Gel Series has been widely used since launch as a simple, multifunctional skincare item, with cumulative sales surpassing 90 million units. Under its unchanged commitment to delivering simple yet authentic skincare, the brand marked its 20th anniversary in May 2026. Using this milestone as a new starting point, Perfect One will continue to place customer voices at its core and bring brighter everyday moments to more people around the world. The sales ranking is based on Fuji Keizai’s Cosmetics Marketing Handbook 2017–2026. Perfect One is a skincare brand launched in 2006 to support increasingly diverse lifestyles among women, with the brand message: “Simple care leads to skin’s natural beauty.” Company overview: Shinnihonseiyaku Co., Ltd. is located at 1-4-7 Otemon, Chuo-ku, Fukuoka City, Fukuoka Prefecture. Established in March 1992, the company plans and sells cosmetics, health foods, and pharmaceuticals through mail-order and wholesale channels.