The present disclosure relates to semi-permanent tattoos, for example, genipin-based ink compositions. In some embodiments, the ink composition comprises: genipin present in an amount of about 10% to about 20% w/w of the composition; a solvent present in an amount of about 65% to about 80% w/w of the composition; and one or more of a thickening agent, humectant, and film-forming agent present in an amount of 0.01% to about 10% w/w of the composition. In some embodiments, the composition further includes a preservative.

Photochromic formulations including a core material and a photochromic layer overlying the core material and forming a particle are provided. The photochromic layer may include a plurality of photochromic materials, including a first photo-responsive pigment characterized by reversible diffuse reflectance at a first central wavelength from 490 nm to 520 nm in response to irradiation by photons of a first characteristic wavelength, a second photo-responsive pigment characterized by reversible diffuse reflectance at a second central wavelength from 570 nm to 590 nm in response to irradiation by photons of a second characteristic wavelength, and a third photo-responsive pigment characterized by reversible diffuse reflectance at a third central wavelength from 450 nm to 495 nm and a fourth central wavelength from 625 nm to 740 nm in response to irradiation by photons of a third characteristic wavelength. The first, second, and third characteristic wavelengths may be different.

Photochromic formulations including a core material and a photochromic layer overlying the core material and forming a particle are provided. The photochromic layer may include a plurality of photochromic materials, including a first photo-responsive pigment characterized by reversible diffuse reflectance at a first central wavelength from 490 nm to 520 nm in response to irradiation by photons of a first characteristic wavelength, a second photo-responsive pigment characterized by reversible diffuse reflectance at a second central wavelength from 570 nm to 590 nm in response to irradiation by photons of a second characteristic wavelength, and a third photo-responsive pigment characterized by reversible diffuse reflectance at a third central wavelength from 450 nm to 495 nm and a fourth central wavelength from 625 nm to 740 nm in response to irradiation by photons of a third characteristic wavelength. The first, second, and third characteristic wavelengths may be different.

A whitish writing and/or marking fluid, in particular white writing and/or marking fluid, for writing instruments, in particular for capillary writing instruments, or for cosmetic applications, that has a viscosity of less than 30 mPa s (Brookfield, 20° C., cone plate CPE-40), and contains 5 to 15 wt % of an anionic dispersion of a hard resin, an aqueous titanium dioxide dispersion, and a preservative.

A low-viscosity water-in-oil cosmetic emulsion preparation gives a smooth use feeling, lightly spreads when applied, and has excellent dispersed-powder stability. The cosmetic emulsion preparation has (A) a polar oil which is liquid at 25° C. and has an IOB value exceeding 0.1, (B) a hydrocarbon oil, (C) a polyoxyalkylene; and alkyl-modified organopolysiloxane represented by general formula (I), and (D) a powder surface-treated with both an N-acylamino acid and methylpolysiloxane. (In formula (I), R represents a hydrogen atom or a C1-5 alkyl group, x is an integer of 5-50, y is an integer of 1-30, z is an integer of 20-200, a is an integer of 2-20, b is an integer of 1-5, c is an integer of 2-20, and d is an integer of 0-20). ##STR00001##

A low-viscosity water-in-oil cosmetic emulsion preparation gives a smooth use feeling, lightly spreads when applied, and has excellent dispersed-powder stability. The cosmetic emulsion preparation has (A) a polar oil which is liquid at 25° C. and has an IOB value exceeding 0.1, (B) a hydrocarbon oil, (C) a polyoxyalkylene; and alkyl-modified organopolysiloxane represented by general formula (I), and (D) a powder surface-treated with both an N-acylamino acid and methylpolysiloxane. (In formula (I), R represents a hydrogen atom or a C1-5 alkyl group, x is an integer of 5-50, y is an integer of 1-30, z is an integer of 20-200, a is an integer of 2-20, b is an integer of 1-5, c is an integer of 2-20, and d is an integer of 0-20). ##STR00001##

Provided is a cosmetic composition which includes at least one silicone resin and at least one emulsifier.

Provided is a cosmetic composition which includes at least one silicone resin and at least one emulsifier.

A method for increasing the specific surface area of titanium phosphate plate-shaped particles of this invention includes: obtaining a liquid in a state where a powder containing titanium phosphate plate-shaped particles is dispersed in an aqueous alkaline solution.

A method for increasing the specific surface area of titanium phosphate plate-shaped particles of this invention includes: obtaining a liquid in a state where a powder containing titanium phosphate plate-shaped particles is dispersed in an aqueous alkaline solution.