# US 5,705,166 A · Exfoliating skin cream

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- Number: US 5,705,166 A
- Document ID: US5705166A
- Status: Granted
- Kind: A
- Application number: 08/421,468
- Filed: 1995-04-12
- Granted: 1998-01-06
- Earliest claimed: 1991-03-18
- Inventors: Richard Arve
- Web page: https://patentgrep.com/patent/US5705166A

## CPC

- A61K 8/988: {Honey; Royal jelly, Propolis}
- A61K 8/9789: Magnoliopsida [dicotyledons]
- A61Q 19/10: Washing or bathing preparations
- A61K 2800/28: Rubbing or scrubbing compositions; Peeling or abrasive compositions; Containing exfoliants
- A61K 2800/75: Anti-irritant
- 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

A defoliating enzyme mixed with a soothing ingredient and concentrated to form a cream for topical application to skin tissue which is activated by an activating pH level.

## Claims

### Claim 1

A composition for topical application to skin tissue and for exfoliating skin tissue comprising:
unripened papaya juice containing papain and other substances occurring naturally in unripened papaya;
a soothing and binding ingredient; and
said soothing and binding ingredient, and said unripened papaya juice are thoroughly mixed and are concentrated.

### Claim 2 (depends on 1)

A composition as claimed in claim 1 wherein said soothing ingredient is honey.

### Claim 3 (depends on 1)

A composition as claimed in claim 1 having a pH outside of an activation pH range.

### Claim 4 (depends on 3)

A composition as claimed in claim 3 wherein said activation pH range is between 5.5-6.5.

### Claim 5 (depends on 3)

A composition as claimed in claim 3 further comprising a pH modifier.

### Claim 6 (depends on 5)

A composition as claimed in claim 5 wherein said pH modifier is baking soda.

### Claim 7 (depends on 1)

A composition as claimed in claim 1, wherein the proportions of said composition being five parts unripened papaya juice to one part soothing and binding ingredient.

### Claim 8

A method of producing an exfoliating skin cream comprising the steps of:
providing unripened papaya juice containing papain and other substances occurring naturally in unripened papaya;
providing a soothing and binding ingredient;
forming a mixture by combining said unripened papaya juice with said soothing and binding ingredient; and
concentrating said mixture.

### Claim 9 (depends on 8)

A method as claimed in claim 8 wherein said step of providing unripened papaya juice containing papain and other substances occurring naturally in unripened papaya further comprises the steps of:
providing unripened papaya; and
pressing said unripened papaya to obtain unripened papaya juice.

### Claim 10 (depends on 8)

A method as claimed in claim 8 wherein said step of providing a soothing ingredient includes providing honey.

### Claim 11 (depends on 10)

A method as claimed in claim 10 wherein forming a mixture further includes the step of mixing five parts of unripened papaya juice to one part of honey.

### Claim 12 (depends on 8)

A method as claimed in claim 8 further comprising the step of combining a pH modifier with said unripened papaya juice and said soothing and binding ingredient to maintain a pH outside an activation pH range.

### Claim 13 (depends on 8)

A method as claimed in claim 8 wherein said step of concentrating the mixture includes evaporating moisture from the mixture at a temperature which does not exceed 110.degree. F.

### Claim 14

A method of exfoliating epidermal tissues comprising the steps of:
providing an exfoliating composition including;
unripened papaya juice containing papain and other substances occurring naturally in unripened papaya,
a soothing and binding ingredient, and
a pH modifier maintaining a pH value of said composition outside of an activation range,
moistening said epidermal tissue; and
applying said composition to said moistened epidermal tissue.

### Claim 15 (depends on 14)

A method as claimed in claim 14 wherein said step of applying, further includes the steps of activating said composition.

### Claim 16 (depends on 15)

A method as claimed in claim 15 wherein the step of activating said composition includes the steps of:
hydrating said composition with moisture from said moistened epidermal tissue; and
altering said pH value of said composition to a value within said activation range.

### Claim 17

A composition for topical application to skin tissue and for exfoliating skin tissue made by the following method, comprising the steps of:
providing unripened papaya juice containing papain and other substances occurring naturally in unripened papaya;
providing a soothing and binding ingredient;
forming a mixture by combining said unripened papaya juice with said soothing and binding ingredient; and
concentrating said mixture.

### Claim 18 (depends on 17)

A composition as claimed in claim 17 wherein said step of providing unripened papaya juice containing papain and other substances occurring naturally in unripened papaya further comprises the steps of:
providing unripened papaya; and
pressing said unripened papaya to obtain unripened papaya juice containing papain and other substances occurring naturally in unripened papaya.

### Claim 19 (depends on 18)

A composition as claimed in claim 18 wherein said step of providing a soothing ingredient includes providing honey.

### Claim 20 (depends on 19)

A composition as claimed in claim 19 wherein forming a mixture further includes the step of mixing five parts of unripened papaya juice to one part of honey.
