NOVEL HAIR DYEING COMPOSITION

Abstract

A new composition for hair dyeing includes an amino acid, a protein, an alcohol, a mineral powder, a vegetable oil and a dye or a pigment, as well as a method for dyeing hair implementing said composition.

Claims

1. A composition for hair dyeing comprising: a proteinogenic amino acid selected from aspartic acid, glutamic acid, asparagine, carnitine, cysteine, glutamine, histidine, leucine, isoleucine, methionine, N-phenylalanine, proline, hydroxyproline, threonine, tryptophan, tyrosine, valine, glycine, alanine, serine, beta alanine, taurine, lysine and arginine or a salt thereof, acid or base, organic or inorganic; a protein; an alcohol; a mineral powder; a vegetable oil; and a dye or a pigment.

2. The composition according to claim 1, wherein the amino acid is selected from aspartic acid, glutamic acid, asparagine, carnitine, cysteine, glutamine, histidine, methionine, proline, hydroxyproline, tyrosine, glycine, alanine, serine, beta alanine, taurine and arginine.

3. The composition according to claim 2, wherein the amino acid is selected from aspartic acid, glutamic acid, cysteine and arginine.

4. The composition according to claim 1, wherein it contains from 0.1% to 20% of amino acid.

5. The composition according to claim 1, wherein the protein is selected from optionally hydrolyzed creatine, optionally hydrolyzed keratin, optionally hydrolyzed wheat protein, optionally hydrolyzed silk protein, optionally hydrolyzed vegetable keratin, optionally hydrolyzed soy protein, optionally hydrolyzed collagen, optionally hydrolyzed elastin, optionally hydrolyzed pea protein, optionally hydrolyzed rice protein, optionally hydrolyzed conchioline protein and optionally hydrolyzed whey protein.

6. The composition according to claim 5, wherein the protein is selected from optionally hydrolyzed creatine, optionally hydrolyzed keratin, optionally hydrolyzed silk protein, optionally hydrolyzed vegetable keratin, optionally hydrolyzed soy protein, optionally hydrolyzed collagen, optionally hydrolyzed elastin, optionally hydrolyzed pea protein, optionally hydrolyzed rice protein, optionally hydrolyzed conchiolin protein and optionally hydrolyzed whey protein.

7. The composition according to claim 6, wherein the protein is selected from creatine, keratin, optionally hydrolyzed wheat protein, optionally hydrolyzed silk protein and optionally hydrolyzed soy protein.

8. The composition according to claim 1, wherein it contains 0.1% to 20% of protein.

9. The composition according to claim 1, wherein the alcohol is selected from butanol, isopropanol, ethanol and benzyl alcohol.

10. The composition according to claim 1, wherein it contains 0.5% to 20% of alcohol.

11. The composition according to claim 1, wherein the vegetable oil is selected from sweet almond oil, olive oil, argan oil, chamomile oil, roman chamomile oil, Haarlem oil, babassu oil, broccoli oil, avocado oil, linseed oil, apricot oil, cucumber oil, black seed oil, brazil nut oil, grape seed oil, shea olein, sesame oil and tomato oil.

12. The composition according to claim 11, wherein the vegetable oil is selected as being matricaria chamomile oil or roman chamomile oil.

13. The composition according to claim 1, wherein the mineral powder is selected from kaolin powder, tartaric acid powder, alum powder, calcium carbonate powder, potassium carbonate powder, tara powder, titanium oxalate and magnesium powder.

14. The composition according to claim 13, wherein the mineral powder is selected as being alum powder or tartaric acid powder.

15. A method for dyeing hair comprising the following steps: applying the composition according to claim 1; leaving to act for a period that could vary from 5 minutes to 30 minutes; and rinsing hair with water.

Description

Example 1

Composition according to the invention

[0059] A ready-to-use dyeing cream comprising an amino acid, a protein, an alcohol, a mineral powder and a dye, the composition of which is reported in the following Table 1, is prepared.

TABLE-US-00001 TABLE 1 Dyeing Cream Ingredients Amount (% w/w) Glutamic acid (amino acid) 0.50 Arginine (amino acid) 0.50 Cysteine (amino acid) 0.10 Hydrolyzed keratin (protein) 1 Hydrolyzed elastin (protein) 0.80 Hydrolyzed collagen (protein) 0.40 Cetearyl alcohol (alcohol) 4.5 Benzyl alcohol (alcohol) 1.67 Potassium alum (mineral powder) 2 Matricaria chamomile oil (vegetable oil) 2 Babassu oil (vegetable oil) 1 Wheat germ oil (vegetable oil) 2 Basic red 51 (cationic dye) 2.59 Titanium dioxide (mineral pigment) 0.50 Mica powder (mineral pigment) 0.06 Shea Butter 4 Cetrimonium chloride 6.85 Decyl glucoside 1 Propylene glycol 1 Guar hydroxypropyltrimonium chloride 1 Behentrimonium methosulfate 0.50 Amodimethicone 0.50 Xanthan gum 0.40 Trideceth-12 0.25 Phenoxyethanol 0.25 Chlorophenesin 0.25 Dehydroacetic acid 0.25 Polyquaternium-80 0.20 Glycerine 0.10 Polyquaternium-7 0.08 Water 63.75

Example 2

Dyeing test

[0060] 2.1—Dyeing method

[0061] The cream described in Example 1 above is used to dye dehydrated hair sensitized by repeated oxidation streaks and dyes, which can no longer retain the dyes due to its porosity (FIG. 1).

[0062] The application of the composition according to the invention is carried out according to the following protocol.

[0063] Step 1: Applying the dyeing cream directly to dry hair

[0064] The ready-to-use composition according to the invention is applied directly to dry hair, as a treatment to the entire hair from root to tip.

[0065] The composition is then left to act for 15 minutes.

[0066] Step 2: Rinsing

[0067] The entire hair is rinsed and a conventional shampoo free of sodium lauryl ether sulfate (i.e.

[0068] Sodium Laureth Sulfate) is applied.

[0069] The shampoo is then rinsed off and a conventional detangling balm is applied.

[0070] Step 3: Hairstyling

[0071] The hair is then styled in a conventional manner.

[0072] 2.2—Obtained results

[0073] The hair is dyed in a deep and extremely shiny shade. It is noticed that, during hairstyling the hair is very soft and silky because it does not show any trace of sensitization. A dyed hair is thus obtained simply without having to resort to any oxidation (FIG. 2).

[0074] Microscopic analysis of a hair after treatment reveals an intact cuticle, without any trace of corrosion in the fatty cells of the cortex. The fiber is completely healthy and intensely dyed (FIG. 3).

[0075] In addition, the effects observed are long-lasting: around two months, namely a period comparable to that of an oxidation dye.

Example 3

Instant dye transfer test

[0076] 3.1—Instant dye transfer method

[0077] The cream described in Example 1 above is used to proceed with the instant transfer of dye to hair in order to carry out wicking work. A photo taken before treatment shows the hair in its natural state (FIG. 4).

[0078] The application of the composition according to the invention is carried out according to the following protocol.

[0079] Step 1: Applying the dyeing cream directly to dry hair

[0080] The ready-to-use composition according to the invention is applied directly to the selected lock of dry hair.

[0081] Then, low temperature iron at 55 degrees is slid on the strand soaked with dyeing cream (FIG. 5). The lock of hair is dyed instantly.

[0082] Step 2: Rinsing

[0083] The entire hair is rinsed and a conventional shampoo free of sodium lauryl ether sulfate (i.e.

[0084] Sodium Laureth Sulfate) is applied.

[0085] The shampoo is then rinsed off and a conventional detangling balm is applied.

[0086] Step 3: Hairstyling

[0087] The hair is then styled in a conventional manner.

[0088] 3.2—Obtained results

[0089] The hair has been highlighted. During hairstyling, It is also noticed that the hair is very soft and silky because it does not show any trace of sensitization. This gives hair that is highlighted in record time, without having to resort to any oxidation and without dwell time (FIG. 6).

[0090] In addition, the effects observed are long-lasting: around two months, namely a period comparable to that of an oxidation dyeing.

Example 4

Comparative tests

[0091] 4.1—Tested dyeing creams

[0092] The dyeing power of a dyeing cream similar to that described in Example 1 above but free from amino acids and whose composition is reported in Table 2 below (hereinafter “Cream ref.”) was compared with dyeing power of the cream described in Example 1.

TABLE-US-00002 TABLE 2 Dyeing cream free from amino acids Ingredients Amount (% w/w) Hydrolyzed keratin (protein) 1.50 Hydrolyzed elastin (protein) 1.30 Hydrolyzed collagen (protein) 0.90 Cetearyl alcohol (alcohol) 4.5 Benzyl alcohol (alcohol) 1.67 Potassium alum (mineral powder) 2.00 Matricaria chamomile oil (vegetable oil) 2.00 Babassu oil (vegetable oil) 1.00 Wheat germ oil (vegetable oil) 2.00 Basic red 51 (cationic dye) 2.59 Titanium dioxide (mineral pigment) 0.50 Mica powder (mineral pigment) 0.06 Shea Butter 4.00 Cetrimonium chloride 6.85 Decyl glucoside 1.00 Propylene glycol 1.00 Guar hydroxypropyltrimonium chloride 1.00 Behentrimonium methosulfate 0.50 Amodimethicone 0.50 Xanthan gum 0.40 Trideceth-12 0.25 Phenoxyethanol 0.25 Chlorophenesin 0.25 Dehydroacetic acid 0.25 Polyquaternium-80 0.20 Glycerine 0.10 Polyquaternium-7 0.08 Water 63.35

[0093] 4.2—Dyeing method

[0094] The cream described in Example 1 above and the Cream ref. are used in order to dye dehydrated and sensitized hair by repeated oxidation dyeing and strands, which can no longer retain the dyes due to its porosity.

[0095] The application of the compositions is carried out according to the protocol described in Example

[0096] 2 above (see 2.1).

[0097] 4.3—Obtained results

[0098] The hair treated with the cream described in Example 1 above is dyed in a deep and extremely shiny dye. It is noticed that, during hairstyling, hair is very soft and silky because it does not show any trace of sensitization. A dyed hair is thus obtained simply without having to resort to any oxidation (FIG. 7).

[0099] In addition, the effects observed are long-lasting: around two months, a period comparable to that of an oxidation dyeing.

[0100] On the contrary, hair treated with Cream ref. free from amino acids shows very faint dye without any shine. The dyes are not fixed on the skin surface and wear off very quickly with the first shampoo. It is also noticed that the hair structure is more difficult to handle (FIG. 8).