wish to look always attractively, but for this purpose it is necessary to care not only for the health, but also for appearance. Great way to bring color in the shape is to paint hair. Some representatives of fine half of mankind still use henna which can cause to hair not only advantage, but also harm.
Useful properties of henna
Add special reagents which open scales to permanent synthetic paints and allow to get to dye in hair. Effect of henna in comparison with such means mainly sparing. Henna does not destroy natural pigment when coloring, and only envelops hair, giving volume and leveling it, creates protective thin layer. The curls painted in such a way are protected from harmful effects of ultraviolet rays. And color sea water though for chemical dyes it is one their major factors of risk is not terrible.
Henna does hair more dense, elastic, dense and magnificent, gives saturated color. Thanks to the content of tannins, henna adds to hair healthy gloss. Such natural dye normalizes water-in-oil exchange, regulates work of sebaceous glands. Tannins pull together external scales, the injured hair gradually are recovered. Henna stimulates blood circulation, strengthens roots of hair and nourishes head skin, saves from dandruff and promotes growth of healthy hair cores.
After the first application the result is visible. Henna has no contraindications neither for adults, nor for children. This dye is hypoallergenic therefore it is good alternative for women who have allergic reaction to chemical paints. The feeding and pregnant women can without risk for health of the child use henna.
Harm of henna
Except advantage, henna can do to hair essential harm. If it is too frequent to use henna, then hair can become dry. From frequent uses of natural dye the boomerang effect results – curls become dim. The protective layer is broken at repeated penetration of dye, as a result hair begin to split. At moisture loss they lose the force, become weakened and drop out. Locks become more rigid, laying badly gives in. The color received after coloring by henna cannot almost be changed by means of artificial dyes. Henna protects hair, that is the painting pigments cannot get in locks. Do not use chemical paint at all until the hair painted by henna completely do not grow. Reaction can yield absolutely unpredictable result, up to radical orange, blue or green shades. It is not simple to wash away henna from hair. For this purpose you will need large amount of water. It is necessary to wash away henna very carefully and long until water becomes completely transparent.