The Latest Cosmetic Technologies
in Japan
(Sunscreens and Lipsticks)
Tomo Osawa
Shiseido Research Center, Yokohama, Japan
?Development of a Water-resistant / Detergent-washable Sun-care Products Utilizing pH-responsive Polymer
A Novel, Long-lasting, Non-Smear Lipstick Utilizing a Phase Separation Mechanism is Totally Devoid of Secondary Stain
??Development of a Water-resistant / Detergent-washable Sun-care Products Utilizing pH-responsive Polymer
?Introduction (About UV and sunscreens)
?Why do sun-care products have a poor detergent-washability?
?Development of a pH-responsive polymer as a treatment agent for powder
?Development of a sun-care product containing pH-responsive polymer-treated titanium dioxide
What is Ultraviolet Rays (UV) Ozone Layer These rays reach the surface of the ground 290nm 400nm 760nm gamma X Visible ray Infrared ray ray UV ray 6.1% 51.8% 42.1% 200nm 280nm 320nm 400nm UVC UVB UVA 0.5% 5.6% Penetration of UVB and UVA into skins UVB Ratio in Solar Ray Skin Penetration 0.5% Mostly scattered or absorbed in epidermis UVA 5.6% Penetrate to dermis through epidermis Epidermis (0.2mm) Dermis Melanocyte (Pogment Cell) Fibroblast Collagen fibers Matrix Elastic fibers
日本最新的个人护理品技术
