What are the plant dyes? Are they harmless to the human body?

Different colors of plant dyes are different. Red plant dyes include madder, safflower, sappan, cochineal, saffron, rosewood and so on. Yellow plant dyes include Gardenia, Cotinus coggygria, Sophora japonica, Cortex Phellodendri, Rehmannia glutinosa, Curcuma longa, Cudranthema, Luanshu and so on. Cyan plant dyes include indigo, Polygonum blue, Malan, Indigofera, etc. Brown plant dyes include walnut skin, chestnut skin, yam rhizome, pomegranate skin and catechu; Purple plant dyes include Arnebia euchroma and so on; Black plant dyes include gallnut, etc.

Are plant dyes harmless?

Plant dyes are non-toxic and harmless to human body and will not cause any harm to human health. The fabric dyed with vegetable dyes is natural in color and durable. It has insect-proof and antibacterial functions that chemical dyes do not have. Especially suitable for children's wear, underwear, shoes and socks, automobile interiors, luggage, indoor and bedding. The color fastness is high, which can meet the requirements of practical use.

The main value of plant dyes

Plant dyes are directly taken from nature, and the formation of their own structure is the result of natural growth, which will not involve any chemical raw materials and will not cause chemical harm to human body. The plant raw materials used in plant dyes are strictly screened, which are not only non-toxic and harmless, but also have medical and health care functions. In addition, the production process of plant dyes is essentially the extraction process of pigments, which will leave some residues. These substances themselves are the components of plants, which can be used as high-quality fertilizers after certain treatment.