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1. WO2020109311 - MASQUE COSMÉTIQUE COMPRENANT UN PAPIER VÉGÉTAL ET UN HUMECTANT

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

[ EN ]

Claims

[Claim 1] Cosmetic mask comprising:

- a plant paper comprising from 1 % to 95% plant fibers and from 5% to 99% cellulose fibers by weight based on the total amount of fibers of said plant paper,

- a wet strength agent, and

- a humectant.

[Claim 2] Mask according to Claim 1 wherein the plant is selected from mint, eucalyptus, rose, edelweiss, amaranth, lavender, vine, calendula, arnica, baobab, lemongrass, tea, ginger, chamomile, or a mixture thereof, in particular mint, rose, edelweiss, tea, chamomile, or a mixture thereof.

[Claim 3] Mask according to Claim 1 or Claim 2 wherein the plant paper comprises plant fibers having undergone extraction in a solvent.

[Claim 4] Mask according to Claim 3 wherein the amount of plant fibers having undergone extraction in a solvent in the plant paper is at least 5% by weight based on the total amount of fibers of said plant paper.

[Claim 5] Mask according to any one of Claims 1 to 4 wherein the plant paper comprises plant fibers not having undergone extraction in a solvent.

[Claim 6] Mask according to Claim 5 wherein the amount of plant fibers not having undergone extraction in the solvent in the plant paper is at most 25% by weight based on the total amount of fibers of said plant paper.

[Claim 7] Mask according to any one of Claims 1 to 6 wherein the amount of humectant is less than 50%, in particular from 5% to 45%, more particularly from 7% to 40%, even more particularly from 10% to 30% by dry weight based on the dry weight of the plant paper of the mask.

[Claim 8] Mask according to any one of Claims 1 to 7 wherein the amount of wet strength agent in the plant paper according to the invention is from 0.1 % to 5%, in particular from 0.5% to 4%, more particularly from 1 % to 3%, even more particularly from 1.5% to 2.5% by dry weight based on the dry weight of the cellulose fibers of the plant paper of the mask.

[Claim 9] Mask according to any one of Claims 1 to 8 further comprising an active principle selected from sebum regulators, antimicrobials, antibacterials, mattifiers, astringents, acidifiers, healing agents, exfoliants or kerato regulators, occlusives, protectors, disinfectants, emollients, nourishing agents, moisturizers, anti-aging agents, soothing agents, decongestants or veinotonics, occlusives, UV filters, hygroscopics, gelling agents, exfoliants, anti-free radical agents, cell regenerators or stimulants, firming agents, tensors, antiglycation agents, lightening agents, a cannabinoid and mixtures thereof..

[Claim 10] Mask according to any one of Claim 9 wherein the active principle is a cannabinoid selected from cannabidiol, tetrahydrocannabinol and mixture thereof, in particular cannabidiol.

[Claim 11] Mask according to any one of Claims 1 to 10 which is a facial mask.

[Claim 12] Process for manufacturing a mask as defined in any one of Claims 1 to 1 1 comprising the following steps:

a) mixing plant fibers and cellulose fibers to obtain a fiber mixture, b) producing a plant paper from the fiber mixture using a wetlaid process, c) cutting the plant paper produced and shaping to produce the mask, wherein the humectant and the wet strength agent are added before, during or after step b).

[Claim 13] Process according to Claim 12 wherein the humectant is added to the plant paper produced in step b) by means of a size press, coating or spraying.

[Claim 14] Process according to Claim 12 or Claim 13 comprising, before step a), steps of extracting and separating plant fibers in a solvent to obtain plant fibers having undergone extraction in a solvent.