Patent Picks—Pigments, Surface Treatments, Vibrating Applicators, Cooling Sebum Control and More

By: Rachel L. Grabenhofer

Posted: May 18, 2011

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One objective of the present invention is to provide a method for stabilizing the oil-absorbing properties of a silicone powder suitable for use in cosmetic materials, especially for powders mixed with oil.The method described involves keeping the rubber powder in hot storage at temperatures ranging from 40°C to 150°C, or in cold storage at temperatures ranging from 0°C to 10°C.

Cosmetic composition with good spreadability, low stickiness and good coverage 
US Patent Application 20110104222
Publication date: May 5, 2011
Assignee: Kao Corp.

This patent covers a cosmetic composition that has good spreadability and low stickiness; provides a comfortable, no-film feeling upon use; makes rough skin parts such as pores hardly visible; and makes fine wrinkles hardly form creases with time. The composition contains: a) from 0.1% w/w to 30% w/w of a vinyl-based polymer having a carbosiloxane dendrimer structure in a side chain thereof; b) from 0.1% w/w to 30% w/w of a nonvolatile cosmetic oil in a liquid form at 25°C and that has a solubility parameter of 16.5 or greater; and c) from 0.1% w/w to 30% w/w of a hydrophobic powder. Within the composition, the weight ratio of a/b is from 0.3 to 5.

Methods and cosmetic preparations for the sustained delivery of therapeutic agents to the eye US Patent Application 20110104083
Publication date: May 5, 2011
Assignee: Intratus Inc.

Disclosed in this invention are cosmetic compositions including therapeutic agents, for the treatment of various eye conditions, and methods of use. In particular, described are cosmetic compositions comprising ophthalmic therapeutic agents in combination with a muscle fasciculating agent for application to the outer surface of the upper eyelid and perimeter of the eyelid and/or eyelashes, which thereby transfer the therapeutic agents into the vascular network within the eyelid for delivery into all parts of the eye. One aspect of the invention includes these therapeutic agents in addition to cosmetic agents such as pigments, moisturizers and the like in cosmetic preparations including creams, lotions, eye shadows, mascaras, gels, makeup formulations, powders, liquids, sunscreens, self-tanning creams or lotions.