Cosmetic Mask Comprising a Plant Paper and Humectant

Abstract

The invention relates to a cosmetic mask comprising a plant paper, a wet strength agent and a humectant.

Claims

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 5 paper, a wet strength agent, and a humectant.

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.

3. Mask according to claim 1 wherein the plant paper comprises plant fibers having undergone an extraction in a solvent.

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.

5. Mask according to claim 1 wherein the plant paper comprises plant fibers not having undergone an extraction in a solvent.

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.

7. Mask according to claim 1 wherein the amount of humectant is from 5% to 45%, by dry weight based on the dry weight of the plant paper of the mask.

8. Mask according to claim 1 wherein the amount of wet strength agent in the plant paper according to the invention is from 0.1% to 5%, by dry weight based on the dry weight of the cellulose fibers of the plant paper of the mask.

9. Mask according to claim 1 further comprising an active principle selected from sebum regulators, antimicrobials, antibacterials, mattifiers, astringents, acidifiers, healing agents, exfoliants or keratoregulators, 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.

10. Mask according to claim 9 wherein the active principle is a cannabinoid selected from cannabidiol, tetrahydrocannabinol and mixtures thereof.

11. Mask according to claim 1 which is a facial

12. Process for manufacturing a mask as defined in claim 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).

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.

14. Process according to claim 12 comprising, before step a), steps of extracting and separating plant fibers in a solvent to obtain plant fibers having undergone an extraction in a solvent.

Description

EXAMPLES

Example 1

Facial Mask Comprising a Plant Paper, a Wet Strength Agent and a Humectant

Example 1.1

The Plant is the Tea Plant

[0078] In this example, the tea plant fibers have undergone extraction in water.

[0079] Green tea leaves and water are mixed in a leaf-to-water mass ratio of 1:5. The mixture is heated to 85° C. for 20 minutes. This mixture then undergoes a separation step in a hydraulic press to separate the tea tree fibers having undergone extraction in water from the soluble extract.

[0080] The tea tree fibers having undergone extraction in water are then mixed with cellulose fibers from abaca and cellulose fibers from hardwood pulp to obtain a fiber mixture. The fibers in the fiber mixture are then refined to a Schopper-Riegler degree of 54° SR. Kymene GHP20 (a wet strength agent) is then added to the refined fiber mixture. This last mixture then passes over a dewatering screen to obtain a plant paper comprising 60% tea tree fibers having undergone extraction in water, 30% cellulose fibers from abaca and 10% cellulose fibers from hardwood pulp by weight based on the total amount of fibers in the plant paper. The plant paper also contains 2% Kymene GHP20 by dry weight based on the dry weight of the cellulose fibers.

[0081] Glycerin is then added to the plant paper using a size press. The amount of glycerin in the plant paper is 10% by dry weight based on the dry weight of the plant paper of the mask.

[0082] The plant paper is then cut and shaped to produce the facial mask.

Example 1.2

The Plants are Tea and Mint

[0083] In this example, tea tree fibers and mint fibers have undergone extraction in water.

[0084] Green tea leaves, mint leaves and water are mixed in a leaf-to-water mass ratio of 1:5. The mixture is heated to 85° C. for 20 minutes. This mixture then undergoes a separation step in a hydraulic press to separate the tea tree fibers and the mint fibers having undergone extraction in water from the soluble extracts.

[0085] The tea tree fibers and mint fibers having undergone extraction in water are then mixed with cellulose fibers from abaca to obtain a fiber mixture. The fibers in the fiber mixture are then refined to a Schopper-Riegler degree of 55° SR to 60° SR. Kymene GHP20 (a wet strength agent) is then added to the refined fiber mixture. This last mixture then passes over a dewatering screen to obtain a plant paper comprising 40% tea tree fibers having undergone extraction in water, 40% mint fibers having undergone extraction in water and 20% cellulose fibers by weight based on the total amount of fibers in the plant paper. The plant paper also contains 2% Kymene GHP20 by dry weight based on the dry weight of the cellulose fibers.

[0086] Glycerin is then added to the plant paper using a size press. The amount of glycerin in the plant paper is 10% by dry weight based on the dry weight of the plant paper of the mask.

[0087] The plant paper is then cut and shaped to produce the facial mask.

Example 1.3

The Plants are Tea Plants and Mint

[0088] The plant paper of Example 1.3 is obtained in a similar way to the plant paper of Example 1.2. The difference is that the amount of glycerin in the plant paper of Example 1.3 is 30% by dry weight based on the dry weight of the plant paper in the mask.

[0089] The plant paper of Example 1.3 is then cut and shaped to produce the facial mask.

Example 1.4

The Plant is the Rose

[0090] In this example, the rose fibers are derived from rose petals and have not undergone extraction in a solvent.

[0091] Refined cellulose fibers from abaca with a Schopper-Riegler degree of 52° SR are mixed with Kymene GHP20 (a wet strength agent). Rose petals cut into 2 mm particles are added to this mixture just before it passes over a dewatering screen to obtain a plant paper comprising 20% rose fibers not having undergone extraction and 80% cellulose fibers from abaca by weight based on the total amount of fibers in the plant paper. The plant paper also contains 2% Kymene GHP20 by dry weight based on the dry weight of the cellulose fibers.

[0092] Glycerin is then added to the plant paper using a size press. The amount of glycerin in the plant paper is 20% by dry weight based on the dry weight of the plant paper of the mask.

[0093] The plant paper is then cut and shaped to produce the facial mask.

Example 1.5

The Plant is Edelweiss

[0094] In this example, the edelweiss fibers are derived from edelweiss flowers and have not undergone extraction in a solvent.

[0095] Cellulose fibers from abaca are mixed with cellulose fibers from softwood pulp to obtain a mixture of cellulose fibers. The fibers of this mixture are refined and have a Schopper-Riegler degree of 54° SR. The refined fiber mixture is mixed with Kymene GHP20 (a wet strength agent). Edelweiss flowers cut into 2 mm particles are added to this mixture just before it passes over a dewatering screen to obtain the plant paper comprising 5% edelweiss fibers not having undergone extraction and 80% cellulose fibers from softwood pulp and 15% cellulose fiber from abaca by weight based on the total amount of fibers in the plant paper. The plant paper also contains 2% Kymene GHP20 by dry weight based on the dry weight of the cellulose fibers.

[0096] Glycerin is then added to the plant paper using a size press. The amount of glycerin in the plant paper is 20% by dry weight based on the dry weight of the plant paper of the mask.

[0097] The plant paper is then cut and shaped to produce the facial mask.

Example 1.6

The Plant is Edelweiss

[0098] The plant paper of Example 1.6 is obtained in a similar way to the plant paper of Example 1.5. The difference is that the cellulose fibers come only from abaca and the fibers in the mixture are refined and have a Schopper-Riegler degree of 53° SR.

[0099] The plant paper of Example 1.6 is then cut and shaped to produce the facial mask.

Example 1.7

The Plants are Chamomile and Rose

[0100] In this example, the chamomile fibers have undergone extraction in water, and the rose fibers were derived from rose petals and did not undergo extraction with water.

[0101] Whole chamomile plants and water are mixed in a plants-to-water mass ratio of 1:5. The mixture is heated to 85° C. for 20 minutes. This mixture then undergoes a separation step in a hydraulic press to separate the chamomile fibers having undergone extraction in water from the soluble extract.

[0102] The chamomile fibers having undergone extraction in water are then mixed with cellulose fibers from abaca and cellulose fibers from flax to obtain a fiber mixture. The fibers in the fiber mixture are then refined to a Schopper-Riegler degree of 55° SR to 60° SR. Kymene GHP20 (a wet strength agent) is then added to the refined fiber mixture. Rose petals are cut into 2 mm particles and added to this last mixture just before it passes over a dewatering screen to obtain a plant paper comprising 15% chamomile fibers having undergone extraction in water, 5% rose fibers, 65% cellulose fibers from flax and 20% cellulose fibers from abaca by weight based on the total amount of fibers in the plant paper. The plant paper also contains 2% Kymene GHP20 by dry weight based on the dry weight of the cellulose fibers.

[0103] Glycerin is then added to the plant paper using a size press. The amount of glycerin in the plant paper is 10% by dry weight based on the dry weight of the plant paper of the mask.

[0104] The plant paper is then cut and shaped to produce the facial mask.

Example 1.8

The Plants are Chamomile and Rose

[0105] The plant paper of Example 1.8 is obtained in a similar way to the plant paper of Example 1.7. The difference is that the amount of glycerin in the plant paper is 30% by dry weight based on the dry weight of the plant paper of the mask.

[0106] The plant paper of Example 1.8 is then cut and shaped to produce the facial mask.

Comparative Example 1

Facial Mask Comprising a Plant Paper, a Wet Strength Agent but Without Humectant

Comparative Example 1.1

The Plant is the Tea Plant

[0107] The plant paper of Comparative Example 1.1 is obtained in a similar way to the plant paper of Example 1.1, but it does not contain glycerin.

[0108] The plant paper of Comparative Example 1.1 is then cut and shaped to produce a glycerin-free facial mask.

Comparative Example 1.2

The Plants are Tea and Mint

[0109] The plant paper of Comparative Example 1.2 is obtained in a similar way to the plant paper of Example 1.2, but it does not contain glycerin.

[0110] The plant paper of Comparative Example 1.2 is then cut and shaped to produce a glycerin-free facial mask.

Comparative Example 1.3

The Plant is the Rose

[0111] The plant paper of Comparative Example 1.3 is obtained in a similar way to the plant paper of Example 1.4, but it does not contain glycerin.

[0112] The plant paper of Comparative Example 1.3 is then cut and shaped to produce a glycerin-free facial mask.

Comparative Example 1.4

The Plant is Edelweiss

[0113] The plant paper of Comparative Example 1.4 is obtained in a similar way to the plant paper of Example 1.5, but it does not contain glycerin.

[0114] The plant paper of Comparative Example 1.4 is then cut and shaped to produce a glycerin-free facial mask.

Comparative Example 1.5

The Plant is Edelweiss

[0115] The plant paper of Comparative Example 1.5 is obtained in a similar way to the plant paper of Example 1.6, but it does not contain glycerin.

[0116] The plant paper of Comparative Example 1.5 is then cut and shaped to produce a glycerin-free facial mask.

Comparative Example 1.6

The Plants are Chamomile and Rose

[0117] The plant paper of Comparative Example 1.6 is obtained in a similar way to the plant paper of Example 1.7, but it does not contain glycerin.

[0118] The plant paper of Comparative Example 1.6 is then cut and shaped to produce a glycerin-free facial mask.

Example 2

Sensory Evaluation of the Facial Masks of Example 1 and of Comparative Example 1

[0119] The facial masks of Example 1 and of Comparative Example 1 are impregnated with a cosmetic lotion.

[0120] The sensory properties of the impregnated facial masks of Example 1 and of Comparative Example 1 are evaluated by cosmetic panels that are organized with several panelists.

[0121] For each facial mask, each panelist considers different criteria, namely: dry softness, drape, folding, pleat marking, unfolding, conformability and moisture retention.

Example 2-1

Facial Masks of Example 1.1 and of Comparative Example 1.1

[0122] The panelists find the conformability of the facial mask of Example 1.1 to be better than that of the facial mask of Comparative Example 1.1. In addition, the facial mask of Example 1.1 retains moisture better and has fewer wrinkle marks than the facial mask of Comparative Example 1.1.

[0123] Thanks to the addition of glycerin, the facial mask of Example 1.1 is more satisfying than the facial mask of Comparative Example 1.1. In addition, thanks to its moisture retention capacity, it can easily retain the absorbed cosmetic lotion when not in use.

Example 2-2

Plant Papers of Examples 1.2 and 1.3 and of Comparative Example 1.2

[0124] The addition of glycerin greatly increases the softness and drape of the plant paper. The conformability and retention capacity of this plant paper is also improved by glycerin.

[0125] The facial masks of Examples 1.2 and 1.3 are more satisfactory than the facial mask of Comparative Example 1.2.

Example 2-3

Plant papers of Example 1.4 and of Comparative Example 1.3

[0126] All criteria are improved by the addition of glycerin, except for the folding/unfolding criteria, which remain constant. In particular, the panelists find the drape of the facial mask of Example 1.4 to be prettier than that of Comparative

[0127] Example 1.3 and the facial mask of Example 1.4 to retain moisture better.

[0128] Thanks to the addition of glycerin, the facial mask of Example 1.4 is more satisfying than the facial mask of Comparative Example 1.3. In addition, thanks to its moisture retention capacity, it can easily retain the absorbed cosmetic lotion when not in use.

Example 2-4

Plant papers of Examples 1.5 and 1.6 and of Comparative Examples 1.4 and 1.5

[0129] The addition of glycerin improves dry softness, drape and moisture retention, while folding and conformability remain constant. In particular, the panelists find the drape of the facial masks of Examples 1.5 and 1.6 to be prettier than that of the facial masks of Comparative Examples 1.4 and 1.5.

[0130] The facial masks of Examples 1.5 and 1.6 are therefore quite satisfactory as cosmetic facial masks. In addition, thanks to their moisture retention capacity, they can retain the absorbed cosmetic lotion until it is used.

Example 2-5

Plant papers of Examples 1.7 and 1.8 and of Comparative Example 1.6

[0131] The addition of glycerin greatly increases the softness, drape and resistance to marking of the plant paper containing chamomile fibers having undergone extraction in water and rose fibers not having undergone extraction in water. This is especially true for the facial mask of Example 1.8 containing 30% glycerin.

[0132] The facial masks of Examples 1.7 and 1.8 are therefore quite satisfactory as cosmetic facial masks.