Cleansing and conditioning article for skin or hair

• US 6,153,208 A
• Filed: 09/11/1998
• Issued: 11/28/2000
• Est. Priority Date: 09/12/1997
• Status: Expired due to Term

• Current Assignee: The Procter & Gamble Company
• Original Assignee: The Procter & Gamble Company
• Inventors: Cabell, David William, Hasenoehrl, Erik John, Nissing, Nicholas James, McAtee, David Michael
• Primary Examiner(s): Dodson, Shelley A.
• Assistant Examiner(s): Lamm, Marina
• Application Number:
  US09/152,034
• Time in Patent Office: 809 Days
• Field of Search: 424/401, 424/402, 424/59, 424/404, 424/443, 424/70.8, 424/70.9, 424/70.19, 424/70.21, 424/70.22, 424/70.31, 510/130, 510/135, 510/136, 510/137
• US Class Current: 424/402
• CPC Class Codes: A61K 8/0208 Tissues; Wipes; Patches
• CPC Class Codes: A61K 8/44 Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
• CPC Class Codes: A61K 8/463 containing sulfuric acid derivatives, e.g. sodium lauryl sulfate
• CPC Class Codes: A61K 8/4946 Imidazoles or their condensed derivatives, e.g. benzimidazoles
• CPC Class Codes: A61Q 19/10 Washing or bathing preparations
• CPC Class Codes: A61Q 5/02 Preparations for cleaning the hair

Abstract

The present invention relates to a substantially dry, disposable, personal cleansing article useful for both cleansing the skin or hair, and more particularly to a disposable, cleansing article having a substrate which preferably comprises of multiple layers. These articles are used by the consumer by wetting the dry article with water. The article comprises a water insoluble substrate having at least a first portion that is wet extensible and at least a second portion that is less wet extensible than said first portion and a lathering surfactant. Preferably, the articles of the present invention further comprise a conditioning component.

Claims

1. A disposable, single use personal care cleansing and conditioning article comprising:

(A) a water insoluble substrate, wherein at least a first portion of said substrate is wet extensible and at least a second portion of said substrate is less wet extensible than said first portion, wherein selected portions of said first portion are joined to said second portion in a manner which is sufficient to inhibit wet extension of said first portion in the plane of said first portion, and wherein said selected portions of said first portion are bonded to said second portion to provide a continuous bonded region which defines a plurality of discrete unbonded regions; and

(B) at least one lathering surfactant added onto or impregnated into said substrate, wherein said article is substantially dry prior to use.

2. An article according to claim 1 wherein said lathering surfactant comprises from about 0.5% to about 12.5% by weight of said water insoluble substrate.

3. An article according to claim 2 wherein said lathering surfactant is selected from the group consisting of anionic lathering surfactants, nonionic lathering surfactants, amphoteric lathering surfactants, and mixtures thereof.

4. An article according to claim 3 wherein said anionic lathering surfactant is selected from the group consisting of sarcosinates, sulfates, isethionates, phosphates, taurates, lactylates, glutamates and mixtures thereof;

wherein said nonionic lathering surfactant is selected from the group consisting of amine oxides, alkyl glucosides, alkyl polyglucosides, polyhydroxy fatty acid amides, alkoxylated fatty acid esters, sucrose esters, and mixtures thereof; and

wherein said amphoteric lathering surfactant is selected from the group consisting of betaines, sultaines, hydroxysultaines, alkyliminoacetates, iminodialkanoates, aminoalkanoates, and mixtures thereof.

5. An article according to claim 2 further comprising a conditioning component added onto or impregnated into said substrate.

6. An article according to claim 5 wherein said conditioning component comprises from about 0.05% to about 99% by weight of said water insoluble substrate, and wherein said conditioning component has a lipid hardness value of greater than about 0.02 kg.

7. An article according to claim 6 wherein said conditioning component comprises at least one oil soluble conditioning agent and at least one lipid hardening material such that the weighted arithmetic mean solubility parameter of said oil soluble conditioning agent is less than or equal to 10.5, and wherein said lipid hardness value of the conditioning component is greater than about 0.05 kg.

8. An article according to claim 6 wherein said lipid hardness value of the conditioning component is greater than about 0.05 kg, and wherein said conditioning component comprises at least one material selected from the group consisting of fatty acids, esters of fatty acids, fatty alcohols, ethoxylated alcohols, polyol polyesters, glycerin mono-esters, glycerin polyesters, epidermal and sebaceous hydrocarbons, lanolin, straight and branched hydrocarbons, silicone oil, silicone gum, vegetable oil, vegetable oil adduct, hydrogenated vegetable oils, nonionic polymers, natural waxes, synthetic waxes, polyolefinic glycols, polyolefinic monoester, polyolefinic polyesters, cholesterols, cholesterol esters and mixtures thereof.

9. An article according to claim 8 wherein said conditioning component comprises at least one material selected from the group consisting of C₇ -C₄₀ straight and branched chain hydrocarbons, C1-C30 monoesters and polyesters of sugars, polyol polyesters, C1-C30 fatty acids, C1-C30 fatty alcohols, C1-C30 ethoxylated alcohols, glycerin mono and tri-esters, cholesterols, cholesterol esters natural waxes, synthetic waxes and mixtures thereof.

10. An article according to claim 9 wherein said conditioning component comprises at least one material selected from the group consisting of paraffin, mineral oil, petrolatum, cholesterols, cholesterol esters, stearyl alcohol, cetyl alchohol, cetearyl alcohol, behenyl alcohol, C10-30 polyesters of sucrose, stearic acid, palmitic acid, behenic acid, oleic acid, linoleic acid, myristic acid, lauric acid, ricinoleic acid, steareth-1-100, cetereath 1-100, cholesterols, cholesterol esters, glyceryl tribehenate, glyceryl dipalmitate, glyceryl monostearate, trihydroxystearin, ozokerite wax, jojoba wax, lanolin wax, ethylene glycol distearate, candelilla wax, carnauba wax, beeswax, silicone waxes.

11. An article according to claim 5 wherein said conditioning component is a conditioning emulsion comprising,

(A) an internal phase comprising a water soluble conditioning agent selected from one or more water soluble agents such that the weighted arithmetic mean solubility parameter of said water soluble conditioning agent is greater than 10.5, and

(B) an external phase comprising at least one oil soluble conditioning agent and at least one lipid hardening material selected such that the weighted arithmetic mean solubility parameter of said water soluble conditioning agent is greater than 10.5.

12. An article according to claim 2 wherein said cleansing article further comprises a safe and effective amount of one or more active ingredients selected from the group consisting of anti-acne actives, anti-wrinkle and anti-skin atrophy actives skin barrier repair actives, non-steroidal cosmetic soothing actives, non-stearoidal anti-inflammatory actives, topical anesthetics, artificial tanning agents and accelerators, skin lightening actives, sebum stimulators, sebum inhibitors, anti-microbial and anti-fungal agents, sunscreen actives, anti-oxidants, and mixtures thereof.

13. An article according to claim 12 wherein said active ingredient is selected from the group consisting of salicylic acid, benzoyl peroxide, 3-hydroxy benzoic acid, glycolic acid, lactic acid, 4-hydroxy benzoic acid, acetyl salicylic acid, niacinamide, cis-retinoic acid, trans-retinoic acid, retinol, retinyl palmitate, 2-hydroxybutanoic acid, 2-hydroxypentanoic acid, 2-hydroxyhexanoic acid, cis-retinoic acid, trans-retinoic acid, retinol, phytic acid, N-acetyl-L-cysteine, lipoic acid, azelaic acid, arachidonic acid, benzoylperoxide, tetracycline, ibuprofen, naproxen, hydrocortisone, acetominophen, resorcinol, phenoxyethanol, phenoxypropanol, phenoxyisopropanol, 2,4,4'"'"'-trichloro-2'"'"'-hydroxy diphenyl ether, 3,4,4'"'"'-trichlorocarbanilide, octopirox, lidocaine hydrochloride, clotrimazole, miconazole, neocycin sulfate, 2-ethylhexyl p-methoxycinnamic acid, oxybenzone, 2-phenylbenzimidozole-5-sulfonic acid, dihydroxyacetone, panthenol, lactic acid, arbutin, kojic acid, allantoin, cholesterol, C₁₀ -C₃₀ cholesterol/lanosterol esters, tocopherol, tocopheryl acetate, and mixtures thereof.

14. An article according to claim 6 wherein said water insoluble substrate comprises:

(A) a first layer, the first layer being wet extensible in the plane of the first layer when the first layer is wetted; and

(B) a second layer which is less wet extensible when wetted than is said first layer;

wherein selected portions of said first layer are joined to said second layer in a manner which is sufficient to inhibit wet extension of said first layer in the plane of said first layer.

15. The article of claim 14 wherein said first layer has a wet extensibility of at least about 4 percent.

16. The article of claim 15 wherein said first layer has a wet extensibility of at least about 10 percent.

17. The article of claim 15 wherein said first layer comprises a creped paper web and said second layer comprises a nonwoven web.

18. An article according to claim 17 wherein at last one portion of said water insoluble substrate is apertured.

19. The article of claim 18 wherein selected portions of said first substrate layer are adhesively bonded to said second substrate layer to provide a plurality of generally parallel, spaced apart bonded regions and a plurality of generally parallel, spaced apart unbonded regions within said substrate.

20. The article of claim 19 wherein selected portions of said first substrate layer are adhesively bonded to said second substrate layer to provide a continuous network bonded region which defines a plurality of discrete unbonded regions.

21. The article of claim 14 having a wet to dry caliper ratio greater than 1.0.

22. The article of claim 1 wherein the article is capable of generating an Average Lather Volume of greater than or equal to about 30 ml upon wetting.

23. A method of manufacturing a disposable, single use personal care cleansing and conditioning article comprising the step of separately or simultaneously adding onto or impregnating into a water insoluble substrate, wherein at least a first portion of said substrate is wet extensible and at least a second portion of said substrate is less wet extensible than said first portion,

(A) at least one lathering surfactant, and

(B) a conditioning component having a lipid hardness value of greater than about 0.02 kg,

wherein said resulting article is substantially dry.

24. The method of claim 23 wherein the article is capable of generating an Average Lather Volume of greater than or equal to about 30 ml upon wetting.

27. A method according to claim 23 wherein the conditioning agents of said conditioning component are delivered to the skin or hair with a deposition consistency of at least about 60%.

25. A method of cleansing and conditioning the skin or hair with a personal cleansing article, comprising the steps of:

(A) wetting with water a substantially dry, disposable, single use personal cleansing article comprising;

(i) a water insoluble substrate, wherein at least a first portion of said substrate is wet extensible and at least a second portion of said substrate is less wet extensible than said first portion,

(ii) at least one lathering surfactant, and

(iii) a conditioning component having a lipid hardness value of greater than about 0.02 kg, and

(B) contacting the skin or hair with said wetted article.

26. The method of claim 25 wherein the article is capable of generating an Average lather Volume of greater than or equal to about 30 ml upon wetting.