Solubilizing agents for active or functional organic compounds

1. A photo protective topical composition, comprising:

i. at least one functional active; and

ii. at least one solubilizing compound having the formula I,

wherein R is C 5 -C 10 cycloalkyl or linear or branched alkylcycloalkyl, wherein the ring size is C 5 -C 7 ; R 1 , R 2 , and R 3 are each independently selected from the group consisting of H, and linear or branched C 1 -C 4 alkyl, provided that at least two of R 1 , R 2 , R 3 are H;

wherein said compound is present in an amount effective to solubilize said functional active.

2. The composition according to claim 1 , wherein said composition is visibly transparent and free of odor.

3. The composition according to claim 1 , wherein said solubilizing compound is selected from the group consisting of cyclohexyl 2-toluate, cyclohexyl 3-toluate, cyclohexyl 4-toluate, cyclohexylmethanol 3-toluate, cyclopentyl 3-toluate, cycloheptyl-m-toluate and combinations thereof.

4. The composition according to claim 3 , wherein said solubilizing compound is selected from cyclohexyl 3-toluate, cyclohexyl 4-toluate and combinations thereof.

5. The composition according to claim 1 , wherein said solubilizing compound is present in an amount of about 0.1% wt./wt. to about 70% wt./wt. of the total photo protective topical composition.

6. The composition according to claim 1 , wherein said functional active is present in an amount of about 1% wt./wt. to about 70% wt./wt. of the total photo protective topical composition.

7. The composition according to claim 1 , wherein said photo protective topical composition is a personal care, cosmetic care, pharmaceutical or nutraceutical composition.

8. The composition according to claim 1 , wherein said functional active is a personal care active, cosmetic care active, pharmaceutical active or nutraceutical active.

9. The composition according to claim 8 , wherein said personal care active is a sunscreen active containing Ultra Violet (UV) A and/or UVB active agent.

10. The composition according to claim 8 , wherein said personal care composition capable of demonstrating increased retention of UV absorption after exposure to UV radiation.

11. The composition according to claim 9 , wherein said sunscreen active is selected from the group consisting of octyl salicylate; p-aminobenzoic acid, PEG-25PABA, Ethylhexyl dimethyl PABA, pentyl dimethyl PABA, octyl dimethyl PABA, amyl dimethyl PABA, benzophenone-1, benzophenone-2, benzophenone-3, benzophenone-4, benzophenone-5, benzophenone-6, benzophenone-8, benzophenone-9, 2-(2H-benzotriazole-2-yl)-4,6-di-tert-pentylphenol, ethyl-2-cyano-3,3-diphenyl acrylate, homo menthyl salicylate, his-ethyl hexyloxyphenol methoxy phenyl triazine (bemotrizinol), methyl-(1,2,2,6,6-pentamethyl-4-piperidyl)-sebacate, 2-(2H-benzotriazole-2-yl)-4-methylphenol, diethylhexyl butamido triazone, 4,6-bis-(octylthiomethyl)-o-cresol, Poly(4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol-alt-1,4-butanedioic acid), red petroleum, octocrylene, isoamyl-p-methoxycinnamate, drometrizole, drometrizole trisiloxane, bisoctrizole, 2,4-di-tert-butyl-6-(5-chloro-2H-benzotriazole-2-yl)-phenol, 2-hydroxy-4-octyloxy benzophenone, diisopropyl methylcinnamate, 2-(1,1-dimethylethyl)-6-[[3-(1,1-demethylethyl)-2-hydroxy-5-methylphenyl]methyl-4-methylphenyl-acrylate, menthyl anthranilate, butyl methoxy dibenzoyl methane, 2-ethoxyethyl p-methoxycinnamate, benzylidene camphor sulfonic acid, dimethoxyphenyl-[1-(3,4)]-4,4-dimethyl1,3-pentanedione, N,N′-hexane-1,6-diylbis-[3-(3,5-di-tert-butyl-4-hydroxyphenyl-propionamide)], pentaerythritol tetrakis [3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate], 2,6-di-tert-butyl-4-[4,6-bis(octylthio)-1,3,5-triazin-2-ylamino] phenol, 2-(2H-benzotriazole-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol, trolamine salicylate, diethylanolamine p-methoxycinnamate, polysilicone-15, 4-methylbenzylidene camphor, n-phenyl-benzenamine, reaction products of 2,4,4-trimethylpentene, (2-ethylhexyl)-2-cyano-3,3-diphenylacrylate, digalloyl trioleate, polyacrylamido methylbenzylidene camphor, glyceryl ethylhexanoate dimethoxycinnamate, 1,3-bis-[(2′-cyano-3′,3′-diphenylacryloyl)oxy]-2,2-bis-{[(2′-cyano-bis-(2,2,6,6-tetramethyl-4-piperidyl)-sebacate, 1,3,5-tris(3,5-di-tert-butyl-4-hydroxybenzyl)-1,3,5-triazine-2,4,6(1H,3H, 5H)-trione, hexamethylendiamine, ethyl-4-bis(hydroxypropyl) aminobenzoate, 6-tert-butyl-2-(5-chloro-2H-benzotriazole-2-yl)-4-methyl phenol, 3,3′,3″,5,5′,5″-hexa-tert-butyl-α-α′-α″-(mesitylene-2,4,6-triyl) tri-p-cresol, ethylhexyl dimethoxybenzylidene dioxoimidazoline propionate, N,N′-bisformyl-N,N′-bis-(2,2,6,6-tetramethyl-4-piperidinyl), 3-benzylidene camphor, terephthalylidene dicamphor sulfonic acid, camphor benzalkonium methosulfate, bisdisulizole disodium, etocrylene, ferulic acid, 2-(2H-benzotriazole-2-yl)-4-(1,1,3,3-tetramethylbutyl)-phenol, 4,6-bis(dodecylthiomethyl)-o-cresol, β-2-glucopyranoxy propyl hydroxy benzophenone, phenylbenzimidazole sulfonic acid, diethylamine hydroxy benzoyl hexylbenzoate, 3′,3′-diphenylacryloyl)oxy]methyl}-propane, ethylhexyl p-methoxycinnamate, avobenzone, camphor benzalkonium methosulfate, phenylbenzimidazole sulfonic acid, terephthalidene dicamphor sulfonic acid, benzylidene camphor sulfonic acid, polyacrylamidomethyl benzylidene camphor, ethylhexyl methoxycinnamate, ethylhexyl triazone, diethylhexyl butamido triazone, 4-methylbenzylidene camphor, 3-benzylidene camphor, methylene-bis-benztriazolyl tetramethylbutylphenol, disodium phenyl dibenzimidazole tetrasulfonate, bisethylhexyloxyphenol methoxyphenol triazine, polysilicone-15, 2,4,6-tris(Diisobutyl 4-aminobenzalmalonate)-s-triazine, titanium dioxide, zinc oxide, micronized or unmicronized mixtures thereof.

12. The composition according to claim 9 , wherein said sunscreen active is present in an amount of about 1% wt./wt. to about 70% wt./wt. of the total composition.

13. The composition according to claim 11 , wherein said sunscreen active is bisethylhexyloxy phenol methoxyphenol triazine.

14. The composition according to claim 1 , wherein said composition further comprises a mineral photo protective agent present in an amount of about 0.01% wt./wt. to about 70% wt./wt. of the total composition.

15. The composition according to claim 14 , wherein said photo protective agent is treated or untreated metal oxide pigments or nanopigments selected from the group consisting of treated or untreated titanium oxide, zinc oxide, iron oxide, zirconium oxide, cerium oxide and mixtures thereof.

16. The composition according to claim 1 , wherein said composition further comprises at least one agent for artificially tanning and/or browning the skin selected from dihydroxy acetone, isatin, alloxan, ninhydrin, glyceraldehyde, mesotartaric aldehyde, glutaraldehyde, erythrulose alone or in combination thereof.

17. The composition according to claim 1 , wherein said composition further comprises at least one adjuvant or additive selected from secondary polymers for improving water-resistance, UV active solubilizers, oils, waxes, solvents, emulsifiers, preservatives, antioxidants, vitamins, insect repellants, dyes, pigments, humectants, fillers, thickeners, film formers, stabilizers, buffers, spreading agents, pearlizing agents, electrolytes, acids, bases, fatty substances, ionic thickeners, non-ionic thickeners, hydrophilic thickeners, lipophilic thickeners, softeners, opacifiers, emollients, silicones, antifoaming agents, fragrances, anionic surfactants, cationic surfactants, nonionic surfactants, zwitterionic surfactants, amphoteric surfactants, active agents, propellants, acidifying or basifying agents, antioxidants, α-hydroxy acids, moisturizing agents, anti-inflammatory, colorants, pharmaceutically or dermatologically or cosmetically acceptable excipients, and combinations thereof.

18. The composition according to claim 1 , wherein said photo protective topical composition is formulated into an oil-in-water emulsion, a water-in-oil emulsion, an oil-water-oil emulsion, a water-oil-water emulsion, a water-in-silicone emulsion, an oily solution, a lipid fusion, a hydro-alcoholic gel, an anhydrous formulation, an anhydrous spray, an anhydrous gel, an anhydrous dry gel, an aqueous gel, a gel cream SPF 20, a SPF 30 cream, an alcoholic solution, a hydro-alcoholic solution, a milk, a lotion, a powder, a stick, a roll-on, a mist, a wipe, a wax, a mousse, an aerosol, a balm, a patch, a pomade, a pump spray, a solution, a towelette, a paste, a powder or a spray.

19. A method for cosmetically treating or caring for the skin, lips, nails, hair, ears, eyelashes, eyebrows and/or scalp comprising topically applying an effective amount of a photo protective topical composition comprising (i) at least one functional active; and (ii) at least one solubilizing compound having the formula I:

wherein R is C 5 -C 10 cycloalkyl or linear or branched alkylcycloalkyl, wherein the ring size is C 5 -C 7 ; R 1 , R 2 , and R 3 are each independently selected from the group consisting of H, and linear or branched C 1 -C 4 alkyl, provided that at least two of R 1 , R 2 , R 3 are H;

wherein said solubilizing compound is present in an amount effective to solubilize said functional active.

20. A method for photo protecting the exposed and/or unexposed skin, nails, hair, lips, ears, eyebrows, eyelashes, and/or scalp, against the damaging effects of UV-irradiation comprising topically applying an effective amount of a cosmetic/dermatological composition comprising: (i) at least one active, and (ii) at least one solubilizing compound having the formula I

wherein R is C 5 -C 10 cycloalkyl or linear or branched alkylcycloalkyl, wherein the ring size is C 5 -C 7 ; R 1 , R 2 , and R 3 are each independently selected from the group consisting of H, and linear or branched C 1 -C 4 alkyl, provided that at least two of R 1 , R 2 , R 3 are H;

wherein said solubilizing compound is present in an amount effective to solubilize said functional active.

21. A photo protective topical sunscreen composition for the UV-photo protection of human skin and/or hair comprising:

a) about 1% wt./wt. to about 70% wt./wt. of at least one active sunscreen agent of claim 11 ;

b) about 0.1% wt./wt. to about 50% wt./wt. of at least one solubilizing compound selected from cyclohexyl 3-toluate, cyclohexyl 4-toluate or combination thereof; and

c) about 1% wt./wt. to about 80% wt./wt. of at least one topically applicable cosmetically or dermatologically acceptable carrier.

22. The composition according to claim 21 , wherein said composition further comprises at least one adjuvant or additive selected from secondary polymers for improving water-resistance, UV active solubilizers, oils, waxes, solvents, emulsifiers, preservatives, vitamins, insect repellants, dyes, pigments, humectants, fillers, film formers, stabilizers, buffers, spreading agents, pearlizing agents, electrolytes, acids, bases, fatty substances, organic solvents, ionic thickeners, non-ionic thickeners, hydrophilic thickeners, lipophilic thickeners, softeners, opacifiers, emollients, silicones, antifoaming agents, fragrances, anionic surfactants, cationic surfactants, nonionic surfactants, zwitterionic surfactants, amphoteric surfactants, active agents, fillers, propellants, acidifying or basifying agents, antioxidants, α-hydroxy acids, moisturizing agents, anti-inflammatory agents, colorants, pharmaceutically or dermatologically or cosmetically acceptable excipients, and combinations thereof.