HAIR STYLING PATENTS FOR 2006 - Patent and Intellectual ...

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configured to exert pressure on at least the portion of the application member during removal of the
portion of the application member from the reservoir.
US Patent No: 6685927
Topical application of chromophores for hair removal
A device and method is disclosed for permanent or semi-permanent removal of hair through the
activation of microparticles introduced into hair follicles. Microparticles are incorporated into a
composition that is topically applied to the skin. These microparticles containing or consisting of
chromophores or chemically activated molecules are of a variety of shapes and sizes.
Microparticles are within a size range of 1 micron to 70 microns, and preferably between 10 and 50
microns. Microparticles of this size and variety of shapes enter hair follicles on all areas of the skin
without entering other areas of the skin, such as the stratum corneum or sweat gland channels.
Treatment of the skin with electromagnetic radiation, ultrasonic radiation or chemical means
activates the chromophore or chemically activated compounds, thus destroying the hair follicle
without damaging other areas of the skin. In another embodiment, microparticles further contain
nanoparticles released further into the hair follicle by use of a solvent or other method, allowing
chromophores or chemically activated molecules to penetrate deeper into the follicle and avoid
structures such as the sebaceous gland.
US Patent No: 6689371
Nanoemulsion based on sugar fatty esters or on sugar fatty ethers and its uses in the cosmetics,
dermatological and/or ophthalmological fields
A nanoemulsion, the oily globules of which have a number-average size of less than 100 nm,
comprising a surfactant which is solid at a temperature of less than or equal to 45.degree. C., which
surfactant is chosen from esters of a fatty acid and of a sugar and ethers of a fatty alcohol and of a
sugar, and at least one oil having a molecular weight of greater than 400, the ratio by weight of the
amount of oily phase to the amount of surfactant ranging from 2 to 10. The nanoemulsion may be
used for cosmetics and dermatological applications, in particular for moisturizing the skin and/or
mucous membranes, as well as for treating the hair, and in the ophthalmological field, as an eye
lotion for treating the eyes.
US Patent No: 6699460
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