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Meta-stable oil-in-water emulsions

IP.com Disclosure Number: IPCOM000234806D
Publication Date: 2014-Feb-07

Publishing Venue

The IP.com Prior Art Database

Abstract

The present special designed and stabilized o/w emulsions (also called SWOP™ emulsions) can invert into w/o emulsions upon application onto the skin. The emulsions are useful for making cosmetic or pharmaceutical compositions, particularly products for skin care. It has been found that the compositions in this document allow the formulation of stable o/w emulsions, having the capacity to invert very quickly into a w/o emulsion while rubbing on the skin. The formation of a lipophilic film on the skin surface is much faster than the normal inversion process that takes place when a standard o/w emulsion is applied and the water phase evaporates.

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Meta-stable oil-in-water emulsions

The present special designed and stabilized o/w emulsions (also called SWOPTM emulsions) can invert into w/o emulsions upon application onto the skin. The emulsions are useful for making cosmetic or pharmaceutical compositions, particularly products for skin care. It has been found that the compositions in this document allow the formulation of stable o/w emulsions, having the capacity to invert very quickly into a w/o emulsion while rubbing on the skin. The formation of a lipophilic film on the skin surface is much faster than the normal inversion process that takes place when a standard o/w emulsion is applied and the water phase evaporates.

Formulations: O/W-Emulsifier

Phase Compound

1 2 3 4 5 6 7 8 9 10

A

4,00

4,00

4,00

4,00

4,00

4,00

4,00 4,00

4,00

4,00

Dehymuls

® PGPH

Polyglyceryl-2 Dipolyhydroxystearate

Isopropyl Myristate

Isopropyl Myristate


4.00


2.00


1.00


4.00

Cetiol C5

Cococaprylate


2.00


2.00


3.00


4.00


6.00


6.00


6.00


6.00


4.00


3.00


6.00


6.00


4.00


6.00


4.00

Myritol

® 331

Cocoglycerides


6.00


4.00


4.00


2.00


2.00


4.00

Cetiol

® CC

Dicaprylyl Carbonate

Cetiol AB

C12-15 Alkyl Benzoate


6.00 5.00 4.00

Cegesoft® PFO


3.00


1.00


1.00


2.00


2.00

Passiflora Incarnata Seed

Oil

Cetiol® SB 45

Butyrospermum Parkii (EU)


0.50


1.00


2.00


2.00


0.50


1.00


1.00

Cetiol

® J 600

Oleyl Erucate

CEGESOFT® PS 6

Oleyl Erucate


2.00


1.00


2.00


1.50

Dow Corning® 9040


1.00


3.00


1.00

Silicone Elastomer Blend

Cyclopentasiloxane (and) Dimethicone Crosspolymer

DC 245

Cyclomethicone


2.50 5.00 2.00 1.00

Luvitol Light


4.00


6.00


4.00

Hydrogenated Polyisobutene

Cutina HVG


1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00


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Hydrogenated Vegetable Glycerides

Lanette 22

Behenyl Alcohol


0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5

Tinosorb S


2.00


1.00


2.00

Bis-Ethylhexyoxyphenol Methoxyphenyl Triazine

Uvinul MC 80


4.00


7.00


4.00

Ethylhexyl Methoxycinnamte

Uvinul A Plus


3.00


1.00

Diethylamino Hydroxybenzoyl Hexyl Benzoate

Chrom-Lite Red CI 4506


1.00


3.00

Mica (and) Bismuth Oxychloride (and) Iron Oxide

Chinone Crisp Gold


4.00


5.00

S230 V

Synthetic Fluorophlogopite (and) Titanium Dioxide

Eumulgin SG


0.2


1.00


0.4


1.0

Sodium Stearoyl Glutamate

Eumulgin Prisma


0.5


1.00

Disodium Cetearyl

Sulfosuccinate

B Water

Ad to 100

Plantapon ACG HC


1.0


1.0

Sodium Cocoyl Glutamate

Plantapon LGC Sorb


1.5


1.5


1.5


1.5


1.5

Sodium Lauryl Glucose

Carboxylate (and) Lauryl

Glucoside

NaOH 810%)

q.s. q.s. q.s. q.s. q.s. q.s. q.s. q.s. q.s q.s.

Gycerin


5.0 5.0 7.5 10.0 5.0 5.0 5.0 25.0 5.0 5.0

Phenoxyethanol, Parabene


0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5

Cosmedia SP

Sodium Acrylate


0.8 0.8 0.5 0.8

Rheocare XG Xanthan Gum


0.1 0.8 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0,1

Rheocare C Plus Carbomer


0.3 0.5

Luvigel Fit


2.0


1.8

AcrylatesC/10-30 Alkyl

Methacrylate Copolymer

Tinovis GTC


2.0

Acrylates/ Beheneth-25

Methacrylate Copolymer

Tinovis ADE


2.8

Sodium Acrylates Copolymer, Hydrogenated Polydecene, PPG-1 Trideceth-6.

Tinosorb M


5.00 4.00

Methylene Bis-


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