Resources Contact Us Home
Insoluble powder, powder for restoring barrier function of skin, powder for preventing/mitigating skin chapping, and preparation containing the same for external use on skin

Image Number 19 for United States Patent #7785636.

A first subject of the present invention is an insoluble powder characterized in that a zeta-potential is a negative value.It is preferable that barium sulfate is a main ingredient in the insoluble powder.It is preferable that an average primary particle diameter is 3 to 100 .mu.m, and an aspect ratio is 3 to 250 in the insoluble powder.It is preferable that the insoluble powder is a metal-doped barium sulfate powder obtained by reacting a barium ion and a sulfate ion in the presence of a metal ion.It is preferable that the metal ion is one or more selected from the group consisting of a lithium ion, a sodium ion and a zinc ion in the insoluble powder.A second subject of the present invention is a skin barrier function recovering powder, or a skin roughening preventing and improving powder, which comprises the aforementioned powder.A third subject of the present invention is a skin external composition characterized in that a content of the aforementioned powder is 1 to 40% by weight.

  Recently Added Patents
Electromagnetic sensor cable and electrical configuration therefor
Vacuum switch and electrode assembly therefor
Semiconductor pressure sensor
Frequency offset estimation apparatus and method of OFDM system
Power storage device and method for manufacturing the same
Randomly accessible visual information recording medium and recording method, and reproducing device and reproducing method
Method and apparatus for laser strip splicing
  Randomly Featured Patents
Uterus manipulator
Tactile processing device
Apparatuses having spool assembly for absorbing jumper slack
Suture winder machine
Drive axle with air passage for tire inflation system
Combined power exhaust stack and computer
Muscarinic M1 agonist as an inhibitor of beta-amyloid (A.beta.40 and A.beta.42)-synthesis
Percutaneous mitral annuloplasty with cardiac rhythm management
Digital audio satellite transmission system