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  • i'm having the same problem, the acid dye fixes on hair but last only like 2 washes, more or less! but I see in the market products using the same acid dyes, without any basic or HC dye, and it lasts a lot of washes, at least 1 month of washing! I j…
  • Bill_toge, I've already tried it, didn't work. Like I said, only worked when I use a higher temperature. On 20ºC, didn't dye. Belassi, there's months I'm reading a lot of patents, including this one, but any of them really makes sense to me, cause …
    in Hair Dye Comment by Lily7 June 2017
  • Bill_Toge, I just found the textile process of acid dyeing, which includes high temperature and acid environment. Nothing about any special ingredient, besides citric acid or acetic acid, or any information about dying it on ambient temperatures. J…
    in Hair Dye Comment by Lily7 June 2017
  • MarkBroussard, I've tried it, but didn't work. Same problem. Bill_Toge, I thought about that, but there's a lot of cationic formulas on the market, with acid and basic dyes together in it, so I think it has to be possible! The formula loses viscos…
    in Acid Dyes Comment by Lily7 May 2017
  • thank you for the suggestion, bill! I'll try!
  • Cetearyl Alcohol, Ceteareth-20, Cetrimonium Chloride, Propylene Glycol, Citric Acid, Preservative.

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