A61K8/0254

Black pearlescent pigment using natural charcoal and production method thereof

The present invention relates to a technology for producing a black pearlescent pigment for cosmetics which is a human-friendly and nature-friendly by using a pigment including natural charcoal powder. The production method of the pearlescent pigment using natural charcoal according to the present invention includes (a) milling natural charcoal to produce a pigment including natural charcoal powder; and (b) coating a flake substrate with the produced pigment including the natural charcoal powder, wherein the milling is performed at 20 to 40 Hz for 24 to 72 hours, and an average particle size of the pigment including the natural charcoal powder is 100 to 300 nm.

COMPOUND COMPRISING A FUNCTIONAL AGENT, AND RELATED MANUFACTURING METHOD

The invention relates to a compound (1) comprising at least 50% by weight of a functional agent, characterized in that it also comprises a waxy matrix (3), within which said functional agent is dispersed, wherein said compound (1) is solid at room temperature and intended to be dispersed by fluidization and/or solubilization within a cosmetic and/or dermatological composition to incorporate therein said functional agent, said functional agent being formed from solid particles (2) having undergone a surface treatment resulting in a reductions in the absorption capacity of the waxy matrix (3) by said treated solid particles (2), as compared to untreated solid particles of the same nature. The invention also relates to a formulation of cosmetic and/or dermatological compositions.

THE PROCESS OF DYEING KERATINOUS MATERIAL COMPRISING THE USE OF AN ORGANOSILICON COMPOUND, AN EFFECT PIGMENT, AND A FILM-FORMING POLYMER I

A process and a kit-of-parts for dyeing keratinous material are provided. In an exemplary embodiment, a process for dyeing keratinous material includes applying an agent (a) to the keratinous material, wherein the agent (a) comprises at least one organic silicon compound. The process further includes applying an agent (b) to the keratinous material, wherein the agent (b) comprises (b1) at least one colorant compound comprising at least one pigment based on a lamellar substrate platelet, and (b2) at least one film-forming polymer.

THE PROCESS OF COLORING KERATINOUS MATERIAL COMPRISING THE USE OF AN ORGANOSILICON COMPOUND, AN EFFECT PIGMENT, A FURTHER COLORING COMPOUND AND A FILM-FORMING POLYMER III

The process of coloring keratinous material comprising the use of an organosilicon compound, an effect pigment, a further coloring compound and a film-forming polymer III

The subject of the present disclosure is a process for dyeing keratinous material, in particular human hair, comprising the following steps:

applying an agent (a) to the keratinous material, wherein the agent (a) comprises:
(a1) at least one organic silicon compound selected from the group of silanes having one, two or three silicon atoms, and
(a2) at least one first colorant compound comprising at least one substrate platelet-based pigment comprising a vacuum metallized pigment, and
applying an agent (b) to the keratinous material, wherein the agent (b) comprises:
(b1) at least one film-forming polymer and
(b2) at least one second colorant compound selected from the group of pigments and/or direct dyes.

COSMETIC
20230263715 · 2023-08-24 · ·

The invention relates to a cosmetic containing fatty acid magnesium salt particles and pearlescent powder in which the amount of pearlescent powder having an average particle size of 40 μm or more is 3 mass % or less and in which the fatty acid magnesium salt particles have a fatty acid having 12 to 22 carbon atoms, an aspect ratio expressed by the following formula (1) of 1.0 or more and 2.0 or less and an average thickness of 250 to 600 nm.


Aspect Ratio=Major axis diameter of Particle (μm)/Minor axis diameter of Particle (μm)  formula (1)

COSMETIC

The invention relates to a cosmetic containing fatty acid magnesium salt particles and fine particle titanium oxide in which the fatty acid magnesium salt particles have a fatty acid having 12 to 22 carbon atoms, an aspect ratio expressed by the following formula (1) of 1.0 or more and 2.0 or less and an average thickness of 250 to 600 nm.


Aspect Ratio=Major axis diameter of Particle (μm)/Minor axis diameter of Particle (μm)  formula (1)

TITANIUM PHOSPHATE POWDER, PRODUCTION METHOD THEREFOR, AND WHITE PIGMENT FOR COSMETICS
20220144639 · 2022-05-12 · ·

The titanium phosphate powder of the present invention includes plate-shaped crystalline particles of titanium phosphate, an average thickness of the plate-shaped crystalline particles is 0.01 μm or more and less than 0.10 μm, and an aspect ratio, which is a value obtained by dividing an average primary particle diameter of the plate-shaped crystalline particles by the average thickness, is 5 or more. In the method for producing a titanium phosphate powder of the present invention, a raw material containing titanium and phosphorus is caused to react by a hydrothermal synthesis method, and when the titanium phosphate powder including plate-shaped crystalline particles of titanium phosphate is produced, a mixture of titanium sulfate and phosphoric acid is used as the raw material.

SUNSCREEN COMPOSITIONS
20220133610 · 2022-05-05 ·

Disclosed are compositions which are suitable for use as sunscreen lotions and creams. The compositions have organic filters and special effects pigments, providing both sun protection and aesthetically pleasing visual effects to the skin. The compositions may also be formulated to form high oil load emulsions that exhibit both a quick-break effect, as well as physical stability at different temperature levels. Methods of manufacturing and using such compositions are also disclosed.

WHITE PIGMENT FOR COSMETICS, AND COSMETIC
20220023170 · 2022-01-27 · ·

Provided is a white pigment for cosmetics capable of giving a cosmetic that gives a coating film having less stickiness and higher long-lasting properties. A white pigment for cosmetics of the present invention includes a titanium phosphate powder, the titanium phosphate powder includes crystal particles of titanium phosphate, and a ratio (oil absorption value/specific surface area) of an oil absorption value (ml/100 g) to a specific surface area (m.sup.2/g) of the crystal particles is 2.0 or more.

A NOVEL PROCESS AND COSMETIC COMPOSITION FOR GLOSS AND BLUR

Disclosed a method of preparing composite particles comprising a non-porous spherical particulate inorganic material deposited on a plate-like inorganic material, where refractive index of said particulate inorganic material is greater than that of said plate-like inorganic particulate material, wherein, said spherical material occupies 20 to 80% of total surface area of said plate-like material and wherein the amount of said spherical material accounts for 2 to 20 wt % of said composite particles, further wherein said plate-like inorganic material is mica and said non-porous spherical particulate inorganic material is silicone dioxide, said method comprising the steps of: (iv) silanization of said plate-like inorganic material to get a silanized material having functional groups “A”; (v) silanization of said non-porous spherical particulate inorganic material to get a silanized material having functional groups “B”, where A≠B; and where said “A” and said “B” are capable of reacting with each other such that by way of their reaction, said non-porous spherical particulate inorganic material deposits on said plate-like inorganic material; and, (vi) reacting said silanized material having functional groups “A” with said silanized material having functional groups “B”.