Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


Nanotechnology to hair dyes
1 5 1
it was correct nanotechnology but i need that formula
see this website u may get answer
no it is not there
not found in anywhere..
A 2000 year old recipe for hair dye shows Ancient Greeks and Romans used nanotechnology to permanently color Grey hair black, which includes a mixture of lead oxide and slaked lime...
2 5 2
its proportion can u please tell
Sorry..I don't know
its ok
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts