Search

KR-102962181-B1 - Composition comprising polyion complex particles and fillers

KR102962181B1KR 102962181 B1KR102962181 B1KR 102962181B1KR-102962181-B1

Abstract

The present invention relates to a composition comprising (a) at least one particle comprising at least one cationic polymer and at least one anionic polymer, and at least one nonpolymeric acid having two or more pKa values or a salt thereof; (b) at least one filler; and (c) water. The composition according to the present invention can provide an improved moisturizing texture, preferably a combination of an improved moisturizing texture and a matte effect.

Inventors

  • 미츠다 시노부
  • 오가타 히로유키

Assignees

  • 로레알

Dates

Publication Date
20260507
Application Date
20211210
Priority Date
20210113

Claims (15)

  1. (a) at least one cationic polymer selected from polylysine, and at least one anionic polymer selected from hyaluronic acid and its salts, and At least one nonpolymer acid or its salt selected from phytic acid and its salts, having two or more pKa values At least one type of particle comprising; (b) at least one filler selected from the group consisting of silica silylate, silica, titanium dioxide, cellulose, talc, perlite, zinc oxide, and mixtures thereof; and (c) water As a composition comprising, The amount of the cationic polymer in the above composition is 0.01% to 15% by weight with respect to the total weight of the composition, and The amount of the anionic polymer in the above composition is 0.01% to 15% by weight with respect to the total weight of the composition, and The amount of the nonpolymer acid or its salt having two or more pKa values in the above composition is 0.01% to 15% by weight with respect to the total weight of the composition, and A composition in which the amount of the (b) filler in the above composition is 0.01% to 15% by weight with respect to the total weight of the above composition.
  2. delete
  3. delete
  4. In Article 1, A composition in which the amount of (a) a cationic polymer forming particles in the above composition is 0.05% to 10% by weight with respect to the total weight of the above composition.
  5. delete
  6. In Article 1, A composition in which the amount of (a) anionic polymer forming particles in the above composition is 0.05% to 10% by weight with respect to the total weight of the above composition.
  7. delete
  8. In Article 1, A composition in which the amount of (a) a nonpolymer acid having two or more pKa values or its salt forming particles in the above composition is 0.05% to 10% by weight with respect to the total weight of the above composition.
  9. In Article 1, A composition in which the amount of the (a) particles in the composition is 0.01% to 15% by weight with respect to the total weight of the composition.
  10. delete
  11. delete
  12. In Article 1, A composition in which the amount of the (b) filler in the above composition is 0.05% to 10% by weight with respect to the total weight of the above composition.
  13. In Article 1, A composition in which the amount of (c) water in the above composition is 50% to 95% by weight with respect to the total weight of the composition.
  14. In Article 1, A composition in which the above composition is a cosmetic composition.
  15. As a cosmetic method for keratin substances, A step of applying a composition of any one of claims 1, 4, 6, 8, 9, and 12 to 14 to the keratin material; and Step of drying the above composition to form a cosmetic film on the keratin material A method including

Description

Composition comprising polyion complex particles and fillers The present invention relates to a composition comprising polyionic complex particles and a filler, and a cosmetic method using the composition. It is known that skin shine or stickiness caused by sebum can emphasize skin texture. In other words, shiny skin risks further highlighting skin texture issues such as pores and wrinkles. Therefore, cosmetic users may desire to achieve a matte finish on their skin. There are several types of oil-absorbing powders. These powders can be used in cosmetics to provide a matte finish to the skin by absorbing sebum. However, oil-absorbing powders often cause undesirable dryness or stiffness even in water-containing cosmetics. In other words, it is often difficult to use oil-absorbing powders in water-containing cosmetics to provide a good moisturizing texture. The above problem is not limited to oil-absorbing powder. For example, if fillers are used in cosmetics, it can result in a thick texture, and even if the cosmetic contains water, it may not be possible to obtain a good moisturizing texture. As a result of a review of the example, the inventors have found that they can provide a composition capable of providing an improved moisturizing texture, preferably a combination of an improved moisturizing texture and a matte effect. Accordingly, the composition according to the present invention is, (a) at least one cationic polymer and at least one anionic polymer, and, At least one nonpolymeric acid or its salt having two or more pKa values At least one type of particle comprising; (b) at least one type of filler; and (c) water Includes The composition according to the present invention can provide an improved or enhanced moisturizing texture, for example, a better moist sensation. The improvement in moisturizing texture may be attributed to the presence of (a) particles in the composition according to the present invention. In addition, the composition according to the present invention can reduce or prevent a stiff texture. If the filler is oil-absorbing, the composition according to the present invention can absorb sebum. Accordingly, the composition according to the present invention can reduce keratin substances, for example, shine on the skin, and can prevent the accentuation of skin texture, such as pores and wrinkles. Accordingly, the composition according to the present invention can provide an optical matte effect while providing an improved moisturizing texture. Thus, the composition according to the present invention can provide both an improved moisturizing texture and an optical matte effect. The optical matte effect is thought to be provided immediately after application of the composition according to the present invention and/or is thought to last for a long time. Hereinafter, the composition and method according to the present invention will be described in more detail. [Polyion Complex Particles] The composition according to the present invention comprises at least one type of particle (a) which is a polyion complex particle. Two or more different types of particles (a) may be used in combination. Thus, a single type of particle (a) or a combination of different types of particles (a) may be used. The size of the polyion complex particles may be 5 nm to 100 µm, preferably 100 nm to 50 µm, more preferably 200 nm to 40 µm, and even more preferably 500 nm to 30 µm. Particle diameters of less than 1 µm can be measured by dynamic light scattering, and particle diameters greater than 1 µm can be measured by an optical microscope. These particle diameters may be based on the number average diameter. The amount of (a) particles in the composition according to the present invention may be 0.01% by weight or more, preferably 0.05% by weight or more, more preferably 0.1% by weight or more, based on the total weight of the composition. The amount of (a) particles in the composition according to the present invention may be 15% by weight or less, preferably 10% by weight or less, more preferably 5% by weight or less with respect to the total weight of the composition. The amount of (a) particles in the composition according to the present invention may be 0.01% to 15% by weight, preferably 0.05% to 10% by weight, more preferably 0.1% to 5% by weight, based on the total weight of the composition. When the composition according to the present invention includes at least one type of oil (d) described below, a plurality of (a) particles may exist at the interface between (c) water and (d) oil. Accordingly, the (a) particles can stabilize the emulsion. For example, when (c) water constitutes the continuous phase and (d) oil constitutes the dispersed phase, the (a) particles can form an O/W emulsion that is similar to a so-called pickering emulsion. Alternatively, a plurality of (a) particles may form a hollow capsule. (d) At least one type of oil may be present in the hollow. In other words, (d) oil may be conta