Aerosol device having two compartments including an alcoholic or hydroalcoholic hairstyling composition, and hairstyling method

Abstract

The present invention relates to a two-compartment aerosol device, comprising a styling composition in a first compartment and a compressed gas chosen from air, nitrogen and carbon dioxide, and mixtures thereof, in a second compartment. Said styling composition comprises at least one compound (A) chosen from an anionic carboxylic polymer free of urethane units, a linear sulfonic polyester and a cellulose-based compound in an alcoholic or aqueous-alcoholic medium which comprises at least 5% by weight, relative to the weight of said composition, of a C.sub.1-C.sub.4 monohydric alcohol. This aerosol device may constitute a hair lacquer. The invention also relates to a styling process using the device of the invention.

Claims

1. An aerosol device, comprising: a) in a first compartment, a styling composition comprising at least one compound (A) chosen from hydroxypropylcelluloses and crotonic acid copolymers; and an alcoholic or aqueous-alcoholic medium comprising from about 20% to about 99% by weight, relative to the weight of the styling composition, of at least one C.sub.1-C.sub.4 monohydric alcohol, and water in an amount ranging from about 1% to about 40% by weight, relative to the total weight of the styling composition; and b) in a second compartment, a compressed gas chosen from air, nitrogen, carbon dioxide, and mixtures thereof.

2. The aerosol device of claim 1, wherein the compressed gas is air.

3. The aerosol device of claim 1, wherein the compressed gas has a pressure ranging from about 1 to about 12 bar.

4. The aerosol device of claim 3, wherein the compressed gas has a pressure ranging from about 9 to about 11 bar.

5. The aerosol device of claim 1, wherein the crotonic acid copolymers are chosen from vinyl acetate/vinyl tert-butylbenzoate/crotonic acid terpolymers and crotonic acid/vinyl acetate/vinyl neododecanoate terpolymers derived from maleic, fumaric or itaconic acids or anhydrides with vinyl esters, vinyl ethers, vinyl halides, phenylvinyl derivatives and acrylic acid and esters thereof, vinyl acetate/crotonic acid copolymers, and vinyl acetate/crotonic acid copolymers grafted with polyethylene glycol.

6. The aerosol device of claim 1, wherein the at least one compound (A) is present in the styling composition in an amount ranging from about 0.5% to about 20% by weight, relative to the total weight of the styling composition.

7. The aerosol device of claim 1, wherein the at least one C.sub.1-C.sub.4 monohydric alcohol is chosen from ethanol, isopropanol, n-propanol, tert-butanol, and mixtures thereof.

8. The aerosol device of claim 1, wherein the at least one C.sub.1-C.sub.4 monohydric alcohol is present in the styling composition in an amount ranging from about 20% to about 98% by weight, relative to the total weight of the styling composition.

9. The aerosol device of claim 1, wherein the styling composition is a hair lacquer.

10. A method for styling the hair comprising applying a styling composition contained in an aerosol device to wet or dry hair, wherein the styling composition is vaporized upon exiting the aerosol device; and wherein the aerosol device comprises: a) in a first compartment, the styling composition comprising at least one compound (A) chosen from hydroxypropylcelluloses and crotonic acid copolymers; and and an alcoholic or aqueous-alcoholic medium comprising from about 20% to about 99% by weight, relative to the weight of the styling composition, of at least one C.sub.1-C.sub.4 monohydric alcohol; and b) in a second compartment, a compressed gas chosen from air, nitrogen, carbon dioxide, and mixtures thereof.

Description

EXAMPLE 1

(1) TABLE-US-00001 Vinyl acetate/crotonic acid copolymer (90/10) 5.00 (Luviset CA 66 from BASF) Aminomethylpropanol qs 95-100% neutralization Fragrance 0.10 Ethyl alcohol qs 100

EXAMPLE 2

(2) TABLE-US-00002 Polyester-5 (AQ 48 Ultra Polymer from Eastman) 5.00 (Expressed by weight of polymer) Demineralized water 40 Fragrance 0.10 Ethyl alcohol qs 100

EXAMPLE 3

(3) TABLE-US-00003 Composition A Composition B Hydroxypropylcellulose 3 3 (Klucel EF Pharm from Ashland) Demineralized water 18 18 Glycerol 0.3 Ethyl alcohol qs qs 100 qs 100

(4) Each of the compositions prepared above was introduced into an aerosol dispensing device sold under the name EP Spray by the company EP Spray System S.A. described above. A valve of reference 6001 format D6 is fixed onto a standard aerosol can, and the diffuser is a turbulent-nozzle diffuser.

(5) The pouch is filled with the composition as indicated above. Compressed air is introduced between the pouch and the can.

(6) The compositions are vapourized onto dry hair. Spraying is performed in the form of a gentle spray of very good quality.

(7) After drying, a head of hair showing very good hold is obtained.

(8) The aerosol device does not become clogged in the course of the applications.