PROCESS FOR COLORING SOLID COMPACT POWDER COSMETIC PRODUCTS

Abstract

An innovative process for coloring solid compact powder cosmetic products includes dripping ink droplets (5) of various colors and sizes onto an upper surface (3) of the cosmetic cake (1), and impregnating them into the cake itself.

Claims

1. Process for coloring solid compact powder cosmetic products, comprising a step of application of colors on an upper surface (3) of a cosmetic cake (1) for obtaining a colored cosmetic cake and a step of drying the colored cosmetic cake, characterized in that said color application step is carried out by leaving ink droplets (5) of various colors and size to drip on said upper surface (3) of the cosmetic cake (1) for their impregnation in the same cake.

2. Process according to claim 1, characterized in that dripping of ink droplets (5) is made by means of adjustable nozzles (4).

3. Process according to claim 2, characterized in that dripping of ink droplets (5) is made with relative movement of said nozzles (4) and said cosmetic cake (1) along four axes (x, y, z, ϑ).

4. Process according to claim 1, characterized in that said drying step is carried out by heating treatment at a temperature between 20° C. and 90° C.

5. Process according to claim 1, characterized in that said drying step is carried out by heating treatment at a temperature between 35° C. and 80° C.

Description

[0019] Examples of compositions of powdered cosmetic products with which the process according to the present invention can be used are indicated herein.

Cosmetic Powder Obtained by a Pressing Process

[0020]

TABLE-US-00001 % RM IN INCI name Formula TALC 45.08 MICA 20.38 TITANIUM DIOXIDE CI 77891 12.80 OCTYLDODECYL STEAROYL STEARATE 10.00 IRON OXIDES CI 77491 1.22 DIMETHICONE 4.00 BRONZE POWDER CI 77400 2.33 SYNTHETIC FLUORPHLOGOPITE 1.18 DIISOSTEARYL MALATE 2.00 CAPRYLYL GLYCOL 0.50 ETHYLHEXYLGLYCERIN 0.50 GLASS BEADS 0.01 ZINC STEARATE 0.01 100

Cosmetic Powder Obtained by an Extrusion Process

[0021]

TABLE-US-00002 % ingredients INCI name in formula ALUMINUM POWDER CI 77000 18.294822 SILICA 2.032758 BRONZE POWDER CI 77400 17.84412 SILICA 0.55188 DIMETHICONE 13.815758 ISONONYL ISONONANOATE 10.953606 DIMETHICONE 8.74702752 DIMETHICONE CROSSPOLYMER 1.66610048 LAUROYL LYSINE 6.8985 DIMETHICONE/VINYL DIMETHICONE 6.25100938 CROSSPOLYMER LAURETH-4 0.12757162 SQUALANE 5.757466 DIPHENYL DIMETHICONE 2.86253 DIMETHICONE/VINYL DIMETHICONE 1.67949496 CROSSPOLYMER SILICA 0.0912769 ISOCETETH-10 0.05476614 DIMETHICONE 1.223867 STEARALKONIUM HECTORITE 0.5401 SILICA 0.36792 PROPYLENE CARBONATE 0.178233 DIMETHICONE 0.04161124 TRIMETHYLSILOXYSILICATE 0.01958176 100

Cosmetic Powder Obtained by a Backing Process

[0022]

TABLE-US-00003 % RM IN INCI name Formula MICA 58.15 TITANIUM DIOXIDE CI 77891 15.90 DIMETHICONE 8.00 LAUROYL LYSINE 6.00 TITANIUM DIOXIDE CI 77891 4.93 BORON NITRIDE 3.00 MAGNESIUM ALUMINUM 2.50 SILICATE CAPRYLYL GLYCOL 0.70 ETHYLHEXYLGLYCERIN 0.50 IRON OXIDES CI 77491 0.24 IRON OXIDES CI 77499 0.08 100

Cosmetic Powder Obtained by a Pouring Process

[0023]

TABLE-US-00004 % ingredients in INCI name formula CALCIUM TITANIUM BOROSILICATE 37.43 TITANIUM DIOXIDE CI 77891 4.18 TIN OXIDE 0.21 CALCIUM TITANIUM BOROSILICATE 38.47 TITANIUM DIOXIDE CI 77891 3.14 TIN OXIDE 0.21 CETEARYL ETHYLHEXANOATE 7.30 GLYCERIN 3.54 POTASSIUM ISOSTEAROYL/ISODECYL 1.58 HYDROLYZED RICE PROTEIN WATER (AQUA) 0.72 SQUALANE 0.57 ETHYLHEXYLGLYCERIN 0.52 CAPRYLYL GLYCOL 0.52 POLYSORBATE 20 0.52 1,2-HEXANEDIOL 0.50 GELLAN GUM 0.27 CALCIUM CHLORIDE 0.16 PENTAERYTHRITYL TETRA-DI-t-BUTYL 0.11 HYDROXYHYDROCINNAMATE XANTHAN GUM 0.04

Examples of Inks

[0024]

TABLE-US-00005 TABLE 1 INGREDIENTS % Water .sup. 5-99.9 Alcohol 0-24 *Water soluble natural 0.1-70.sup.  dyes/extracts Preservatives 0-1  *Non-limiting examples of water soluble natural dyes/extracts: [0025] Beetroot red [0026] CI 40800/Beta-Carotene [0027] CI 75810/Chlorophyllin-copper complex [0028] Caramel [0029] CI 75470/Carmine [0030] Spirulina Platensis Extract* [0031] Ipomoea Batatas Root Extract [0032] Turmeric Longa (Turmeric) Root Extract [0033] Raphanus sativus, extract

TABLE-US-00006 TABLE 2 INGREDIENTS % Water .sup. 5-99.9 Alcohol 0-24 **Water soluble 0.1-70.sup.  synthetic dyes Preservatives 0-1  **Non-limiting examples of water soluble synthetic dyes: [0034] CI10316/Ext. Yellow 7 [0035] CI45350/Yellow 8 [0036] CI15985/Yellow 6 [0037] CI19140/Yellow 5 [0038] CI60730/Ext. Violet 2 [0039] CI17200/Red 33 [0040] CI45410/Red 28 [0041] CI45380/Red 22 [0042] CI14700/Red 4 [0043] CI59040/Green 8 [0044] CI61570/Green 5 [0045] CI42053/Green 3 [0046] CI42090/Blue 1 [0047] CI 14700/CI 19140/CI 17200/D&C Brown n.1

TABLE-US-00007 TABLE 3 INGREDIENTS % *Solvent 90-99.9 **Fat soluble dyes 0.1-10  *Non-limiting examples of solvents: [0048] Volatile linear silicones (Dimethicone, Hexamethyldisiloxane . . . ) [0049] Cyclic volatile silicones (Cyclomethicone, Cyclohexasiloxane, Octamethyltrisiloxane . . . ) [0050] Volatile hydrocarbons (Isododecane, Isohexadecane, 1.2 Hexanediol . . . ) [0051] Alcohols (Ethanol, Isopropyl alcohol . . . ) [0052] Glycols (1.2 Hexanediol . . . )
**Non-limiting examples of fat soluble dyes: [0053] CI 47000/Yellow 11 [0054] CI 60725/Violet 2 [0055] CI 61565/Green 6 [0056] CI 26100/Red17