Latex nail compositions having low amounts of photo-initiator
AssigneeL'oreal
InventorsAline Aude GUIMONT, Chunhua LI, Xianzhi ZHOU, Hy Si BUI, Jean-Thierry SIMONNET
Life of this patent
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Abstract
Provided are nail compositions comprising at least one photo-curable polymer dispersed in water (latex), at least one acrylic non-photo-curable polymer dispersed in water (latex), at least one photo-initiator, optionally at least one plasticizer, optionally a colorant, and water. Also provided are nail composition systems and kits comprising the nail compositions of the invention together with a base coat composition and/or a top coat composition.
Claims19
A cosmetic composition for application to the nails comprising:
- (a) from about 10% to about 30%, by dry weight, of at least one photo-curable polymer dispersed in water;
- (b) from about 8% to about 30%, by dry weight, of at least one acrylic non-photo-curable polymer dispersed in water;
- (c) less than or equal to about 2% by weight of at least one photo-initiator;
- (d) from about 0% to about 8% by weight of at least one plasticizer;
- (e) optionally a colorant;
- and
- (f) from about 40% to about 70% water;
- wherein the ratio, by dry polymer weight, of the at least one photo-curable polymer (a) to the at least one non-photo-curable polymer (b) is from about 4:1 to about 1:5, and the sum, by dry polymer weight percent, of the photo-curable polymer (a) plus the non-photo-curable polymer (b) is from about 25% to about 45%;
- all weights being relative the total weight of the composition.
The composition of claim 11 wherein the photo-curable polymer dispersed in water (a) has a number average molecular weight from about 10,100 Mn to about 500,000 Mn.
The composition of claim 12 wherein the photo-curable polymer dispersed in water (a) is selected from an aliphatic urethane acrylic copolymer, aromatic polyurethane dispersion, aliphatic anionic polyurethane dispersion, and mixtures thereof.
The composition of claim 14 wherein the non-photo-curable polymer dispersed in water (b) is selected from styrene/acrylates/ammonium methacrylate copolymer, acrylic styrene copolymer emulsion, acrylates copolymer, and mixtures thereof.
A cosmetic composition for application to the nails comprising:
- (a) from about 10% to about 30%, by dry polymer weight, of at least one photo-curable polymer latex;
- (b) from about 8% to about 30%, by dry polymer weight, of at least one acrylate non-photo-curable latex;
- (c) less than or equal to about 2% by weight of at least one photo-initiator;
- (d) from about 0% to about 8% by weight of at least one plasticizer;
- (e) optionally a colorant;
- and
- (f) from about 40% to about 70% water;
- wherein the ratio, by dry polymer weight, of the polymer in the at least one photo-curable latex (a) to the polymer in the at least one acrylic non-photo-curable latex (b) is from about 4:1 to about 1:5, and the sum, by dry polymer weight percent, of the polymer in the photo-curable latex and the polymer in the acrylate non-photo-curable latex (b) is from about 25% to about 45%;
- all weights being relative the total weight of the composition.
A system for coloring nails comprising:
- (1) at least one base coat composition comprising at least one polymer-in-water dispersion;
- (2) at least one color coat composition comprising:
- (a) from about 10% to about 30%, by dry weight, of at least one photo-curable polymer dispersed in water;
- (b) greater than or equal to about 8% of at least one acrylic non-photo-curable polymer dispersed in water;
- (c) less than or equal to about 2% by weight of at least one photo-initiator;
- (d) from about 0% to about 8% by weight of at least one plasticizer;
- (e) optionally a colorant;
- and
- (f) from about 40% to about 70% water;
- wherein the ratio, by dry polymer weight, of the at least one photo-curable polymer (a) to the at least one acrylic non-photo-curable polymer (b) is from about 4:1 to about 1:5, and the sum, by dry polymer weight percent, of the photo-curable polymer (a) plus the non-photo-curable polymer (b) is from about 25% to about 45%;
- all weights being relative the total weight of the composition;
- and
- (3) at least one top coat composition comprising at least one polymer-in-water dispersion.
A kit for coloring nails comprising
- (1) at least one base coat composition comprising at least one polymer-in-water dispersion;
- (2) at least one color coat composition comprising:
- (a) from about 10% to about 30%, by dry weight, of at least one photo-curable polymer dispersed in water;
- (b) from about 8% to about 30%, by dry weight, of at least acrylic one non-photo-curable polymer dispersed in water;
- (c) less than or equal to about 2% by weight of at least one photo-initiator;
- (d) from about 0% to about 8% by weight of at least one plasticizer;
- (e) optionally a colorant;
- and
- (f) from about 40% to about 70% water;
- wherein the ratio, by dry polymer weight, of the at least one photo-curable polymer (a) to the at least one acrylic non-photo-curable polymer (b) is from about 4:1 to about 1:5, and the sum, by dry polymer weight percent, of the photo-curable polymer (a) plus the acrylic non-photo-curable polymer (b) is from about 25% to about 45%;
- all weights being relative the total weight of the composition;
- and
- (3) at least one top coat composition comprising at least one polymer-in-water dispersion
A method of coloring nails comprising applying to the nails a composition comprising:
- (a) from about 10% to about 30%, by dry weight, of at least one photo-curable polymer dispersed in water;
- (b) from about 10% to about 30%, by dry weight, of at least one acrylic non-photo-curable polymer dispersed in water;
- (c) less than or equal to about 2% by weight of at least one photo-initiator;
- (d) from about 0% to about 8% by weight of at least one plasticizer;
- (e) optionally a colorant;
- and
- (f) from about 40% to about 70% water;
- wherein the ratio, by dry polymer weight, of the at least one photo-curable polymer (a) to the at least one acrylic non-photo-curable polymer (b) is from about 4:1 to about 1:5, and the sum, by dry polymer weight percent, of the photo-curable polymer (a) plus the acrylic non-photo-curable polymer (b) is from about 25% to about 45%;
- all weights being relative the total weight of the composition.
A method of making a cosmetic composition for application to the nails comprising:
- (1) combining
- (a) from about 10% to about 30%, by dry weight, of at least one photo-curable polymer dispersed in water;
- (b) from about 10% to about 30%, by dry weight, of at least one acrylic non-photo-curable polymer dispersed in water;
- (c) less than or equal to about 2% by weight of at least one photo-initiator;
- (d) from about 0% to about 8% by weight of at least one plasticizer;
- (e) optionally a colorant;
- and
- (f) from about 40% to about 70% water;
- wherein the ratio, by dry polymer weight, of the at least one photo-curable polymer (a) to the at least one acrylic non-photo-curable polymer (b) is from about 4:1 to about 1:5, and the sum, by dry polymer weight percent, of the photo-curable polymer (a) plus the acrylic non-photo-curable polymer (b) is from about 25% to about 45%;
- all weights being relative the total weight of the composition;
- and
- (2) mixing the foregoing components until uniformly distributed.
Dependencies are inferred from the claim text.