Abstract:
One embodiment of the invention described herein includes a method for improving stability of an antiperspirant. The method includes preparing a blend that comprises propylene glycol and dibenzylidene sorbitol; adding an antiperspirant active solid powder to the blend, to make an antiperspirant blend, in a concentration effective for making an antiperspirant that provides antiperspirant protection to a user and improves process stability of the antiperspirant; and adding an amino acid salt to the antiperspirant blend in a concentration effective for stabilizing the dibenzylidene sorbitol.
Abstract:
Aluminum and aluminum-zirconium antiperspirant compositions of enhanced efficacy and a pH value of at least 3.5 are provided that are made by reaction with insoluble, strongly alkaline strontium or calcium salts. The aluminum and aluminum-zirconium strontium or calcium compositions show high pH values with characteristic HPLC Band III to Band II ratios of at least 0.5. The basic aluminum halohydrate (or nitrate) solutions typically have aluminum to anion ratio of less that 1.9. The solution compositions are stable with respect to both HPLC Band III to Band II ratio and viscosity at concentrations of about 20% to about 40% by weight of anhydrous solid. The solid state compositions form hard sticks with low irritation, at low metal to chloride ratios of about 0.9 to about 1.2.
Abstract:
This invention relates to a method of enhancing the adhesion of a silicone containing adhesive formulation. The method comprises mixing 1 to 99.9 wt. % of a silicone-containing adhesive formulation and 0.1 to 50 wt. % antiperspirant compound to form a composition. The composition is then applied onto a surface and allowed to cure. The invention also relates to a composition comprising 1 to 99.9 wt. % of a silicone-containing adhesive formulation and 0.1 to 50 wt. % antiperspirant salt. The resultant adhesive films are especially useful in healthcare and cosmetic applications where they inhibit perspiration and, thus, retain the adhesive strength of the adhesive.
Abstract:
A method of determining performance of anhydrous antiperspirant compositions comprising an antiperspirant active, a liquid carrier, and a structurant using a pH indicator. The compositions, processes, and methods of the present invention provide enhanced antiperspirant performance.
Abstract:
Die Erfindung betrifft eine klare, kosmetische Formulierung auf Mikroemulsionslbasis mit reduzierter Klebrigkeit, umfassend mindestens einen Antitranspirant-Wirkstoff und/oder Deodorant-Wirkstoff und α-Hydroxycarbonsäure.
Abstract:
A cosmetic composition is provided which includes a crosslinked silicone elastomer, a zinc oxide or zirconium oxide of average particle size less than 300 nm and a light reflecting inorganic material of platelet shaped particles having an average particle size of about 10,000 to about 30,000 nm, in a cosmetically acceptable carrier system. The composition achieves soft focus and radiance properties which improve the appearance of skin. Good coverage over imperfections such as pores and uneven skin tone is achieved while retaining a natural skin appearance.
Abstract:
Composite materials that can be used to block ultraviolet radiation of a selected wavelength range are disclosed. The materials include dispersions of particles that exhibit optical resonance behavior, resulting in absorption cross-sections that substantially exceed the particles' geometric cross-sections. The particles are preferably manufactured as uniform nanosize encapsulated spheres, and dispersed evenly within a carrier material. Either the inner core or the outer shell of the particles comprises a conducting material exhibiting plasmon (Froehlich) resonance in a desired spectral band. The large absorption cross-sections ensure that a relatively small volume of particles will render the composite material fully opaque (or nearly so) to incident radiation of the resonance wavelength, blocking harmful radiation. The materials of the present invention can be used in manufacturing sunscreens, UV filters and blockers, ink, paints, lotions, gels, films, textiles, wound dressing and other solids having desired ultraviolet radiationabsorbing properties. The materials of the present invention can be used in systems consisting of reflecting substances such as paper or transparent support such as plastic or glass films. The particles can be further embedded in transparent plastic or glass beads to ensure a minimal distance between the particles.
Abstract:
Surface-modified zinc oxides with a BET surface area of 18 ± 5 m²/g and a C content of 0.1 to 5.0 wt.% are prepared by spraying the zinc oxides with the surface-modifying agent or adding this in vapour form and then heat-treating the mixture. They can be employed for the preparation of cosmetics.
Abstract:
An elastomer-free, suspension-free, water-in-oil emulsion as a clear gel with a viscosity >150,000 centipoise; and an overall level of silicone emollients 3 weight % as: (a) an internal phase comprising a glycine-free antiperspirant active stabilized by Betaine; and a glycol system having 7.5 weight % propylene glycol; and (b) an external phase comprising cyclomethicones; a silicone copolyol; and a fragrance solubilizer; wherein: the maximum level of volatile linear silicones is 1 weight %, the water content is > 30 weight %, and the external phase is free of silicone emollients with a refractive index > 1.4200.
Abstract:
Composite materials that can be used to block ultraviolet radiation of a selected wavelength range are disclosed. The materials include dispersions of particles that exhibit optical resonance behavior, resulting in absorption cross-sections that substantially exceed the particles' geometric cross-sections. The particles are preferably manufactured as uniform nanosize encapsulated spheres, and dispersed evenly within a carrier material. Either the inner core or the outer shell of the particles comprises a conducting material exhibiting plasmon (Froehlich) resonance in a desired spectral band. The large absorption cross-sections ensure that a relatively small volume of particles will render the composite material fully opaque (or nearly so) to incident radiation of the resonance wavelength, blocking harmful radiation. The materials of the present invention can be used in manufacturing sunscreens, UV filters and blockers, ink, paints, lotions, gels, films, textiles, wound dressing and other solids having desired ultraviolet radiationabsorbing properties. The materials of the present invention can be used in systems consisting of reflecting substances such as paper or transparent support such as plastic or glass films. The particles can be further embedded in transparent plastic or glass beads to ensure a minimal distance between the particles.