is natural natural paint which is received from the dried-up henna leaves. What expiration date at henna and how long it can be stored in house conditions?
Henna is part of many cosmetics of modern cosmetology. It is used during creation of various hair-dyes and painting on body and also in production of medications and remedies for some diseases.
For production of henna use the dried-up leaves of henna which grows generally in northern part of Africa and east part of Asia. The largest exporters of henna in the world are Iran, Egypt and Sudan.
At the same time the first mentions of this substance belong to 1000 B.C. Residues of henna have been found by archeologists on ancient Egyptian mummies.
Henna happens two types: color and colourless. Color henna is used generally only for coloring of hair and next-to-skin painting. It has red shade. When mixing with other natural vegetable paints it is possible to receive other colors, beginning from dark yellow and finishing gold.
Colourless henna is applied in the medical purposes. It is used during creation of means which help to recover from various skin diseases and dermatitis. Also henna promotes improvement of potency at men and to disposal of headache. In these cases it is rather simple to smell this substance.
As well as any other cosmetic or medical means, at henna has the expiration date. As a rule, it makes about 4-5 flyings at observance of all parameters of storage. As henna represents dry powder, it can be stored only in the dry room at the small relative air humidity and room temperature over +23 degrees. Otherwise henna loses the main properties and its further application is inexpedient.
Fresh color henna has greenish shade. It can change on reddish color if the expiration date at this substance has passed. In that case henna cannot be used neither for coloring of hair, nor for next-to-skin painting.
As for colourless henna, it is stored a little longer, than usual. It can be used during 6-7 flyings from the moment of production at observance of all storage conditions.