DE4327039A1 - Hair-dyeing composition - Google Patents

Abstract

The use of the natural dyestuff laccaic acid(s), preferably in the form of stick lac powder, for dyeing human hair produces a strong mahogany shade.

Description

The present invention relates to an agent for dyeing human hair containing a plant dye.

In the course of the return to the use of natural raw and Active ingredients have also been proposed in cosmetics for a long time. Produce hair dyes based on natural dyes. When characteristic example of one already for thousands of years known natural dye for human hair is there referred to the henna used for reddening.

However, it is not sufficient for a manufacturer, only one to offer individual shades, but it is necessary in the frame of a complete offer a hair color series to achieve all available with synthetic dyes color to provide sounds.

It has been shown in practice that it has not been possible so far was a satisfactory mahogany color nuance based on a natural to obtain dye.

It has now been found, and that is the subject of the present Er finding that the task, a natural hair color, which is also a maha gonifarbenige hair coloring allows to produce, thereby solved can be, if one as a natural dye Laccainsäure ver applies.  

Laccainic acid is a derivative of anthraquinone and is derived from the from the lacerid louse Coccus laccae (Laccifer lacca) product, the so-called Stocklack.

Under Laccainsäure be within the scope of the invention, both Laccain Acid A, Laccainsäure B and Laccainsäure C and, to achieve special shades, also the in itself yellow Laccainsäure D as well as in particular their mixtures understood.

In the hair colorants according to the invention may Laccainsäure entwe the pure substance extracted from Stocklack or, for cost green the preferred to be used in Stocklack as such.

Although, as indicated at the beginning, the use in Haarfärbemitemit is preferred for producing a mahogany hue, can Laccainsäuren or Stocklack also, especially in a mixture with other substantive synthetic or natural color to produce other, for example reddish, stains be used.

On a kind of the desired coloring and possible presence of other dyes, of course, determines the amount of used Laccainsäure (n) or the finely divided Stocklack powder in the hair colorants according to the invention; usually the average is between about 0.05 and 5 wt .-%, in particular 0.1 and 2.5% by weight, calculated on pure Laccainsäure (n) and the Ge velvet composition of the hair dye contained.  

The hair colorants of the invention may be in any suitable Form are used, for example, as an aqueous emulsion or Cream, powder cream or preferably powder, before use slurried in water.

Of course, the usual additives in such agents materials are used; to avoid repetition on the usual monographs, for example those of K. Schrader, "Basics and Formulations of Cosmetics", 2. Aufl. (1989, Hüthig Buchverlag), pp. 782-806.

In the following, the implementation is based on embodiments tion of the invention illustrates:

example 1

stock paint 40.0 (parts by weight) sodium alginate 20.0 (parts by weight) diatomaceous 32.0 (parts by weight) sodium 5.0 (parts by weight) Henna neutral 3.0 (parts by weight)

10 g of this powder are ge with 160 ml of water (about 35 ° C) ge mixed, applied to hair and after 45 minutes of exposure rinsed with water and shampooed. It becomes a strong, shiny zender red mahogany color.  

Example 2

750 g of a powdery mixture of

262.5 g of diatomaceous earth,
150.0 g of stock varnish
37.5 g of sodium alginate
266.0 g Henna neutral
and
34.0 g of sodium carbonate

be after the in the German patent applications P 42 17 918.1 and P 42 19 181.5 two-stage initially described with 20 g of maltodextrin in 80 g of water and then with 8 g of xanthan Gum granulated in 650 g of water and dried.

20 g of the granules are mixed with 80 ml H₂O (40-50 ° C), on the hair applied and out after 45 minutes exposure flushes.

It gets a hair color with a rich mahogany hue hold.  

Example 2

Diatomaceous earth | 22.0 g Henna neutral 3.0 g hematoxylin 10.0 g stock paint 40.0 g sodium 5.0 g sodium alginate 20.0 g

With this color powder according to that described in Example 1 Procedure dyed hair shows a strong, expressive Mahogany violet.

Claims (3)

1. hair colorants, containing natural-based dyes, characterized by a content of Laccain acid. 2. hair colorant according to claim 1, characterized that it contains powdered stick paint. 3. Use of laccinic acid for staining human Hair to create a mahogany hue.