# US 9,750,681 B2 · Skin care composition

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- Number: US 9,750,681 B2
- Document ID: US9750681B2
- Status: Granted
- Kind: B2
- Application number: 12/450,596
- Filed: 2008-04-16
- Published: 2010-02-25
- Granted: 2017-09-05
- Earliest claimed: 2007-04-27
- Assignees: JG Skin, Inc.
- Applicants: Geralynn Giagnorio
- Inventors: Geralynn Giagnorio
- Web page: https://patentgrep.com/patent/US9750681B2

## CPC

- A61K 8/06: Emulsions
- A61K 8/062: {Oil-in-water emulsions}
- A61K 8/375: {the alcohol moiety containing more than one hydroxy group}
- A61K 8/553: {Phospholipids, e.g. lecithin}
- A61K 8/556: {Derivatives containing from 2 to 10 oxyalkylene groups}
- A61K 8/8147: {Homopolymers or copolymers of acids; Metal or ammonium salts thereof, e.g. crotonic acid, (meth)acrylic acid; Compositions of derivatives of such polymers}
- A61K 8/8152: {Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; Compositions of derivatives of such polymers}
- A61K 8/9711: Phaeophycota or Phaeophyta [brown algae], e.g. Fucus
- A61K 8/9789: Magnoliopsida [dicotyledons]
- A61K 8/9794: Liliopsida [monocotyledons]
- A61Q 1/02: Preparations containing skin colorants, e.g. pigments (preparations in powder form A61Q1/12)
- A61Q 1/04: for lips
- A61Q 1/06: Lipsticks
- A61Q 1/08: for cheeks, e.g. rouge
- A61Q 1/10: for eyes, e.g. eyeliner, mascara
- A61Q 1/12: Face or body powders for grooming, adorning or absorbing
- A61Q 19/00: Preparations for care of the skin
- A61K 2800/21: Emulsions characterized by droplet sizes below 1 micron
- A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D)
- A61Q: SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS

## Abstract

Skin care emulsion compositions are disclosed comprising an oil-in-water emulsion comprising phospholipid-stabilized, submicron triglyceride particles, botanical material selected from the group consisting of a vegetal material, a marine material and combinations thereof; a polycarboxylate polymer and a phosphate ester-type emulsifier. The skin care compositions can be topically applied to the skin before, and surprisingly, together with, and/or after applying a skin colorant (i.e., pigmented) cosmetic composition to moisturize the skin and achieve, augment, and/or maintain a visibly desirable cosmetic appearance.

## Claims

### Claim 1

An aqueous topical, cosmetic skin care composition consisting essentially of the following components
(a) an effective skin-moisturizing amount of an oil-in-water nano-emulsion comprising phospholipid-stabilized submicron triglyceride particles having a unimolecular shell of phospholipid having a phosphatidylcholine stabilizer to encapsulate an oil core comprising triglyceride and auxiliary lipophilic skin conditioning agents, water, and cosmetically acceptable water-soluble solvents selected from the group consisting of alcohol, liquid polyol and a combination thereof, the amount of oil-in-water nano-emulsion being about 0.005 to 5 parts by weight based on a total weight of the cosmetic skin care composition;
(b) an effective skin-conditioning amount of a botanical material provided in its own individual hydroglycolic vehicle, the botanical material being selected from the group consisting of a vegetal material, a marine material, and a combination thereof, the amount of botanical material being about 0.25 to 10 parts by weight based on a total weight of the cosmetic skin care composition, the individual hydroglycolic vehicle having a pH of about pH4 to PH7;
(c) a polycarboxylate polymer selected from the group consisting of a copolymer of two or more monomers of acrylic acid, methacrylic acid or one of their simple esters, the polycarboxylate polymer being present in the cosmetic skin care composition in an amount of 0.1 to 2 parts by weight based on a total weight of the cosmetic skin care composition;
(d) an effective emulsifying amount of a phosphate ester-type emulsifier selected from the group consisting of a C8-C22 fatty alcohol phosphate diester, and a salt of the foregoing, the phosphate ester-type emulsifier comprising about 2 to about 20 moles of alkoxylating moieties for each fatty alcohol moiety, the amount of phosphate ester-type emulsifier being about 1 to 5 parts by weight based on a total weight of the cosmetic skin care composition;
(e) a cosmetically acceptable auxiliary skin conditioning agent, the conditioning agent being present in the cosmetic skin care composition in an amount equal to or greater than 10 parts by weight based on a total weight of the cosmetic skin are composition; and
(f) water;
wherein the composition is an opaque emulsion in the form of a lotion or substantially semi-solid cream or paste,
wherein the composition is a leave-on cosmetic preparation, which, on topical application to the skin, provides a lasting, water-resistant, moisturizing, conditioning film or coating thereon,
wherein the composition has a pH of about pH 6 to pH 6.5,
wherein the composition has a viscosity of about 50,000 to 150,000 (mPa*s) measured at temperature of about 25° C., and
wherein the cosmetically acceptable auxiliary skin conditioning agent includes a combination of isodecyl oleate, dimethicone and cyclopentasiloxane.

### Claim 2 (depends on 1)

The composition of claim 1 wherein the phospholipid in component (a) is selected from the group consisting of naturally derived lecithin and a synthetically prepared lecithin derivative.

### Claim 3 (depends on 1)

The composition of claim 1 wherein the triglyceride in component (a) is selected from the group consisting of glyceryl C6-C22 fatty acid mono-ester, glyceryl C6-C22 fatty acid di-ester, glyceryl C6-C22 fatty acid tri-ester, and a combination thereof.

### Claim 4 (depends on 1)

The composition of claim 1 wherein the triglyceride in component (a) is a caprylic/capric triglyceride.

### Claim 5 (depends on 1)

The composition of claim 1 wherein the botanical material comprises a Hippophae rhamnoides (sea buckthorn) extract.

### Claim 6 (depends on 1)

The composition of claim 1 wherein the botanical material comprises a Laminaria digitata (sea tangle) extract.

### Claim 7 (depends on 1)

The composition of claim 1 wherein the botanical material comprises a Macrocystis pyrifera (sea kelp) extract.

### Claim 8 (depends on 1)

The composition of claim 1 wherein the botanical material comprises a Crithmum maritimum (sea fennel) extract.

### Claim 9 (depends on 1)

The composition of claim 1 wherein the botanical material comprises an algae extract.

### Claim 10 (depends on 1)

The composition of claim 1 wherein the botanical material comprises an Aloe.

### Claim 11 (depends on 10)

The composition of claim 10 wherein the Aloe comprises an Aloe barbadensis gel.

### Claim 12 (depends on 1)

The composition of claim 1 wherein the polycarboxylate polymer is a linear copolymer of acrylic acid.

### Claim 13 (depends on 1)

The composition of claim 1 wherein the composition is admixed by a user of the composition with a separately prepared substantially anhydrous skin-colorant composition to create a cosmetic composition combination, and wherein the substantially anhydrous skin-colorant composition is in the form of a liquid, paste, powder or stick.

### Claim 14 (depends on 1)

A composition of claim 1 in packaged form.

### Claim 15 (depends on 14)

An article of manufacture comprising a cosmetic kit containing, in separately packaged form, (A) the composition of claim 14, (B) at least one colorant cosmetic skin-care composition and (C) instructional indicia for using the compositions of (A) and (B) in conjunction with one another in a skin-beautifying procedure.

### Claim 16 (depends on 15)

The article of manufacture of claim 15 wherein component (B) is a substantially anhydrous makeup composition in liquid, paste, powder, or stick form.

### Claim 17 (depends on 1)

A method of enhancing, augmenting and maintaining a desired visible cosmetic colorant effect on the skin in a skin-beautifying regime employing a separately prepared pigmented, skin-colorant cosmetic formulated for effecting a predetermined desired visual skin-colorant effect, the method comprising topically applying a composition of claim 1 to the skin-colorant cosmetic either before or after applying the skin-colorant cosmetic to the skin; wherein the resulting visible skin-colorant effect achieved is lasting, enhanced, and/or augmented relative to the effect achieved with the skin colorant cosmetic alone.

### Claim 18 (depends on 1)

The composition of claim 1, the composition being a vehicle for a cosmetic product predetermined for adding color to a first skin location to be used on a second skin location once the cosmetic product is admixed with the composition.

### Claim 19 (depends on 1)

The composition of claim 1, wherein the alkoxylating moieties are selected from the group consisting of polyethoxylating moieties, polypropoxylating moieties, and a combination of the foregoing.