Hiroyuki Kosugi

Ci:z Holdings Co., Ltd. engages in the development, manufacture, and sale of cosmetics, skincare products, health food items, and beauty care devices. It operates through the Dr.Ci:Labo and Clinical Salon segments. The Dr.Ci:Labo segment sells cosmetics and health food products. The Clinical Salon segment provides esthetic treatments and services. The company was founded by Yoshinori Shirono on February 26, 1999 and is headquartered in Tokyo, Japan.

Ci:z.Labo KK operates beauty salons. The company was founded on May 10, 2000 and is headquartered in Tokyo, Japan.

Sedona Enterprise KK is a Japanese company that operates a hair removal information media supervised by doctors. The company is based in Tokyo, Japan. The site is called DTM Lab and is run by the DTM Lab editorial department, which is supervised by a female doctor. The company was founded in 2010. Hiroyuki Kosugi has been the CEO of the company since 2017. Sedona Enterprise KK was acquired by TruStar Capital from Ci\:z Holdings Co., Ltd. on June 01, 2021.

Part of Johnson & Johnson, Dr. Ci\:Labo Co., Ltd. is a Japanese medical cosmetics company based in Tokyo, Japan. The company offers a range of high-quality medical cosmetics developed by skin experts, including the popular domestic share no.1 aqua collagen gel and bb cream. Customers can purchase these doctor's cosmetics through the company's safe and secure official website, which offers free shipping for orders over 3,000 yen and next-day delivery. The company prides itself on its commitment to skin expertise and quality, with products developed without specializing in skin.