Kao Corporation

Ritsuko Yamazaki

Reiko Fukuda

Takehiko Tojo

Masataka Ishikawa

Yasushi Kajihara

Manabu Kaneda

Yoshihiro Hasebe

Zenbei Meiwa

Yasuhiro Komori

Hideyuki Hanazawa

Tatsuki Matsumoto

Yuko Yago

Motoaki Ito

Yoshimi Yamashita

Isao Umemoto

Mamoru Nakamura

A nanofiber laminate sheet including a layer of a nanofiber of a water insoluble polymer and a layer of a water soluble polymer containing a cosmetic component or a medicinal component. The nanofiber is preferably colored. The layer of a water soluble polymer is preferably a layer of a nanofiber of the water soluble polymer containing the cosmetic component or the medicinal component. The nanofiber laminate sheet is suited for use as a cosmetic sheet for makeup.

Nanofiber laminate sheet

The invention relates to disintegrating particles formed by agglomerating primary particles at least part of which are insoluble in water, wherein the agglomeration of the disintegrating particles is disintegrated in an aqueous solution containing a water-soluble salt by lowering the concentration of the water-soluble salt. The invention also relates to a cleanser or detergent composition that includes the disintegrating particles, a water-soluble salt at a concentration lower than its saturated solubility, a surfactant and water. The composition has excellent physical (mechanical) cleanability and stability with time and gives users a pleasant feeling upon use. The composition does not cause damage to and itch on the skin because the disintegrating particles are disintegrated during cleansing and rinsing, and it is extremely good in rinsability.

Disintegrating particles and cleanser or detergent composition

The invention relates to a skin cleansing sheet obtained by impregnating (c) a sheet with an aqueous composition containing (a) 1-50 wt. % of a nonionic surfactant having an HLB of 10-16 and (b) 1-30 wt. % of a polyhydric alcohol or glycol ether. The cleansing sheet has high detergency and detergent speed to smears of makeup and sebum, and low irritativeness to the skin, gives users a pleasant feeling upon use, and moreover has good handling property and stability.

Skin cleansing sheet

An aqueous gel cleanser composition which contains:

Aqueous gel cleanser comprising fatty acid ester of peg as nonionic

Growing community of inventors

Tokyo, Japan

Ritsuko Yamazaki