What plants can be used for hair dyeing
The editor will explain the topic of what plants can be used for hair dyeing. The specific contents about which plants can be used for hair dyeing and which plants can dye hair are as follows:
1. Henna (Lawsonia inermis): Also known as指甲花 (nail flower), hina, henae, its main component is 2-hydroxy-1,4-naphthoquinone. The most significant effect of henna powder is natural plant hair dyeing, which does not harm the hair or scalp and has a nourishing effect.
2. Indigo (Indigofera tinctoria): Combined with henna, it can produce black dye. It is one of the most commonly used hair dye raw materials abroad.
3. Sapanwood (Caesalpinia sappan): Contains sappanwood red or sappanin, which can be used as an oxidative dye under the participation of metal ions. The color can range from brown, yellow, black to red depending on the different metal ions, and it does not irritate the scalp with good color fastness.
4. Cimicifuga foetida: The isoferulic acid obtained from Cimicifuga foetida can promote the generation of melanin granules in the medulla and cortex of the hair when added to hair care products.
5. Rubia cordifolia: Mainly contains rubia alizarin, rubia pigments, etc., with the highest content of rubia alizarin. Alizarin can be used directly as a hair dye ( reddish-brown) or as a non-irritating oxidative hair dyeing assistant to make the color gentle and lasting.
The above-sharing knowledge about what plants can be used for hair dyeing and which plants can dye hair is hoped to bring you some help after reading this article!