PERSONAL CARE COMPOSITIONS WITH SUSPENDED METAL OXIDES
Described herein are personal care compositions for use on the skin, hair, and lips that comprise: (A) at least one metal oxide, (B) lightly- to moderately-crosslinked PVP, and (C) at least one vehicle selected from the group consisting of: alcohols, esters, oils, glycols, and combinations thereof. The lightly- to moderately-crosslinked PVP suspends the metal oxide(s) whether or not water is added. Exemplary products embraced by the invention include sunscreens, diaper rash preparations, and anti-pruritic substances in the form of a lotion, cream, ointment, or gel.
1 . A personal care composition comprising: (A) at least one metal oxide, (B) lightly- to moderately-crosslinked PVP, and (C) at least one vehicle selected from the group consisting of: alcohols, esters, oils, glycols, and combinations thereof.
2 . The personal care compositions according to claim 1 that is a sun-care or skin-care composition.
3 . The personal care composition according to claim 1 wherein said metal oxide is selected from the group consisting of: titanium dioxides, zinc oxides, iron oxides, and combinations thereof.
4 . The personal care composition according to claim 1 wherein said metal oxide is selected from the group consisting of: coated metal oxides, uncoated metal oxides, and combinations thereof.
5 . The personal care composition according to claim 1 wherein said metal oxide is present in an amount from 0.1% to 40% based on the total weight of said personal care composition.
6 . The personal care composition according to claim 1 wherein said lightly- to moderately-crosslinked PVP exhibits a gel volume in deionized water from 15 mL/g to 300 mL/g.
7 . The personal care composition according to claim 1 wherein said vehicle is present in an amount from 5% to 95% based on the total weight of said personal care composition.
8 . The personal care composition according to claim 1 wherein said alcohol is selected from the group consisting of: ethanol, 1-propanol, 2-propanol, and combinations thereof.
9 . The personal care composition according to claim 1 wherein said glycol is selected from the group consisting of: propylene glycol, butylene glycol, diethylene glycol, dipropylene glycol, polyethylene glycol, glycerin, and combinations thereof.
10 . The personal care composition according to claim 1 wherein said oil is selected from the group consisting of: synthetic oils, silicone oils, mineral oils, vegetable oils, and combinations thereof.
11 . The personal care composition according to claim 10 wherein said synthetic oil is selected from the group consisting of: silicones, polybutenes, polyisobutenes, polydecenes, and combinations thereof.
12 . The personal care composition according to claim 10 wherein said mineral oil is selected from the group consisting of: hexadecane, oil of paraffin, and combinations thereof.
13 . The personal care combination according to claim 10 wherein said vegetable oil is selected from the group consisting of: sunflower oil, corn oil, soy oil, avocado oil, jojoba oil, squash oil, raisin seed oil, sesame seed oil, walnut oils oil, glycerol tricaprocaprylate, Purcellin oil, jojoba oil, eucalyptus oil, lavender oil, vetiver oil, litsea cubeba oil, lemon oil, sandalwood oil, rosemary oil, chamomile oil, savory oil, nutmeg oil, cinnamon oil, hyssop oil, caraway oil, orange oil, geranium oil, cade oil, oil of bergamot, and combinations thereof.
14 . The personal care composition according to claim 1 wherein said ester is selected from the group consisting of: butyl ester of PVM/MA copolymer, cetyl ethylhexanoate, decyl oleate, diisopropyl adipate, diisopropyl dimer dilinoleate, diisostearyl maleate, dioctyl maleate, ethylhexyl palmitate, 2-ethylhexyl-12-hydroxystearate, ethyl ester of PVM/MA copolymer, isocetyl stearate, isocetyl stearoyl stearate, isodecyl neopentanoate, isodecyl oleate, isopropyl ester of PVM/MA copolymer, isostearyl neopentanoate, myristyl laurate, myristyl myristate, neopentyl glycol diethylhexanoate, octyldodecyl stearate, phenethyl benzoate, triisostearyoyl polyglyceryl-3 dimer dilinoleate, and combinations thereof.
15 . The personal care composition according to claim 1 that further comprises water.
16 . The personal care composition according to claim 15 wherein said water is present in an amount up to 15% based on the total weight of said personal care composition.
17 . The personal care composition according to claim 1 that further comprises at least one UV absorber.
18 . The personal care composition according to claim 17 wherein said additional UV absorber is selected from the group consisting of: octocrylene, cinoxate, 3-benzylidene camphor, 4-methylbenzylidene camphor, lisadimate, benzophenone-1, benzophenone-3; benzophenone-4; benzophenone-5; benzophenone-6, benzophenone-8, benzophenone-9, bisdisulizole disodium, bemotrizinol, bisoctrizole, camphor benzalkonium methosulfate, DEA methoxycinnamate, diethylaminohydroxybenzoylhexyl benzoate, iscotrizinol, digalloyl trioleate, diisopropyl methylcinnamate, dimethoxyphenyl-[1-(3,4)]-4,4-dimethyl 1,3-pentanedione, drometrizole, drometrizole trisiloxane, roxadimate, ethylhexyl-p-methoxycinnamate, ethylhexyl triazone, ferulic acid, glyceryl ethylhexanoate dimethoxycinnamate, homosalate, isoamyl-p-methoxycinnamate, lawsone with dihydroxyacetone, meradimate, padimate 0, octyl salicylate, PABA, PEG-25 PABA, padimate A, ensulizole, polyacrylamido methylbenzylidene camphor, polysilicone-15, encamsule, trolamine salicylate, titanium dioxide, zinc oxide, and combinations thereof.
19 . The personal care composition according to claim 1 that further comprises at least one ingredient selected from the group consisting of: active ingredients, emollients, liquid carriers, waxes, conditioners, surfactants, emulsifiers, rheology modifiers, lubricants, diluents, humectants, anti-oxidants, preservatives, antibiotics, viscosity synergists, clarity syngergists, and combinations thereof.
20 . The personal care composition according to claim 1 that is a: a lotion sunscreen, a cream sunscreen, a gel sunscreen, a sprayable sunscreen, a diaper rash cream, a diaper rash ointment, a diaper rash lotion, a diaper rash gel, an anti-pruritic lotion, and anti-pruritic cream, an anti-pruritic gel, a moisturizer, skin cream, eyelid cream, ointment, liniment, anti-aging cream, lip moisturizer, lipstick, lip gloss, hair spray, hair finishing spray, mousse, hair styling gel, hair styling cream, or hair styling wax.
21 . The personal care composition according to claim 1 that is smooth and non-pilling when applied to the skin or hair.