Henna natural plant hair dye

Abstract

The invention discloses a natural plant hair dye comprising henna and ferrous salt. The natural plant hair dye has the characteristics of rapid dyeing and stable dyeing effect. Compared with the prior art, the natural plant hair dye can dye more colors and especially dye the black color without obvious adverse effect. The invention also discloses a using method of the natural plant hair dye.

Description

technical field [0001] The invention discloses a hair dye which uses henna and ferrous salt as active ingredients and belongs to the field of cosmetics. Background technique [0002] At present, most of the existing hair dye products on the market are oxidative dyes, which use p-phenylenediamine or quinone to show black after oxidation with hydrogen peroxide. A number of studies have confirmed that this oxidative dye hair dye has certain damage to the scalp and is highly toxic, which can easily cause redness, swelling, tingling and other discomfort on the skin, and even cause cancer after long-term use. [0003] Henna, also known as Henna, Henna, English name Henna, is a 1-year-old herbaceous plant, a plant of the genus Henna (or Henna) in the genus Henna, about 1m high, with very fragrant flowers and white , pink or purple, etc., the flowering period is 4 to 6 months, generally produced in the tropics, and widely planted in the Middle East, North Africa and other places in ...

AI Technical Summary

Problems solved by technology

However, when dyeing, it takes a long time and needs to be heated to 100 degrees

[0005] Therefore, the hair dye of henna or its extract disclosed in the prior art has shortcomings such as long coloring time (needing 3-10 hours), single color, unstable dyeing effect, etc.

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