Most hair dyes do not contain sulfa drugs, which are a class of antibiotics. However, some hair dyes may contain sulfates, which are cleansing agents commonly used in shampoos and other hair products. It's important to check the ingredient list if you have specific sensitivities or allergies. Always consult a healthcare professional if you have concerns about specific ingredients in hair dye.
I used hair dye on drugs in the world.
Sulfa was discovered by Bayer chemist Josef Klarer. He found that a red dye that he had synthesised prevented bacterial infections in mice.
Mauve
Mauveine, also known as Perkin's mauve, is a synthetic dye that was discovered accidentally by chemist William Henry Perkin in 1856 while trying to synthesize quinine from coal tar. Mauveine was the first synthetic dye, revolutionizing the dye industry.
William Perkin
I hope your not on drugs or trying to smuggle drugs into another country, but I would try food dye.
William Perkin discovered the first synthetic dye in 1856.
The person who discovered the dye for purple was the Phoenicians. They extracted a dye from a type of sea snail called murex to create the rich purple color, known as Tyrian purple. This dye became highly prized and was often reserved for royalty and nobility due to its rarity and expense.
Absolutely, which is why they have animal testing in the first place. Just off the top of my head, there were Lash-Lure (a permanent eyelash dye made from industrial fabric dyes) and Elixir of Sulfanilimide (sulfa drugs, which were like antibiotics but really really old, mixed into ethylene glycol--which is a modern-day antifreeze for cars).
He discovered a synthetic dye called Mauveine which was a purple colour and superceded the natural purple dye got from sea shells
william perkin