It is partially fermented indigo.
FLUROSCENT
Because your skin/body was having a reaction to the chemicals that were in the dye and that irritation from your body not being used to those chemicals or what was in the dye caused it to itch.
The material used could be made of wool and the dye that can be used is Acid Dyes. In case the material is made of blends of wool and polyester, the dye to be used will be Acid Dye for wool and Disperse Dye for Polyester. In case the material is made of cotton, the dye is Vat Dye and if blends of cotton na polyester, the dye to be used will be Vat Dye and Disperse Dye.
The liquid used in making dyes is called a solvent, which helps to dissolve the dye molecules and facilitate their application to the material being dyed. Common solvents include water, alcohol, and oil, depending on the type of dye being used.
what dye can be used to dye incense sticks
Regular dye.
The fastness of a fabric dye is affected by factors such as the type of dye used, the fabric material being dyed, the dyeing method employed, and post-dyeing treatments like washing and exposure to light. Additionally, the pH of the dye bath and the presence of chemicals that can interact with the dye also influence the fastness of the dye.
The tropical sea snail that is used to make tyrian dye is the purple dye murex or spiny dye-murex), its scientific name being Haustellum brandaris (also Murex brandaris or Bolinus brandaris). See Related Link below.
dye dye
For a colorfast tie dye a fiber reactive dye is needed such as Procion Dye from the Dharma Trading Company. Rit dye can be used but is not fiber reactive and not colorfast and the tie dye will fade colors after each wash.
Murex dye :)
Characteristics of fabric dye analysis include identifying the type of dye used, determining dye concentration, assessing dye fastness, and detecting any impurities or adulterants in the dye. Analytical techniques such as spectrophotometry, chromatography, and microscopy are commonly used for fabric dye analysis.