Re: deepening color?

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Posted by Debra on October 26, 2004 at 01:01:47:

In reply to: deepening color? posted by hannah on October 25, 2004 at 12:53:18:

Hanna - I think Catherine or maybe Pierre mentioned in a post a while
back that the henna has to be preoxidation when you apply the indigo
for the two step process. No clue why. Your results might not be
accurate, try a two step test with a fresh henna.

I, following Kim's lead, went from natural med brown with bleached
highlights to straight henna (too orange), to 50/50, and repeated
50/50 at the next henna. My hair was getting darker each time because
of the build up of the indigo in particular (highlights have
disappeared) I then followed with 50/30 and then 50/15 to try and
keep it from going too black/dark. I think it is forever going to be
a balancing act to keep matching my mix over my roots to the ends and
not go too dark. The indigo may fade a bit between applications but
not enough to compensate for a 50/50 mix.

If your goal is to get close to pure black, it seems an easier task.
It is more difficult trying to keep it lighter.

Get the times right on the indigo. I'd love to see a chart like the
henna chart with dye release and demise for indigo. My experience
using Catherine's indigo, is dye release is about 20 minutes and
demise is at about 90 minutes- all with room temperature tap water.

My guess with the mixed henna/indigo is the indigo does its thing in
the beginning (1st 45 on hair)and probably demises quickly mixed with
the acidic henna and the remaining head time is mostly henna action.
It could be possible that the indigo dye stains the henna molecule
before it penetrates the shaft, but I know little about the science
and doesn't seem that way in Catherine's grey folical diagrams.

Hope this helps.

Follow Ups

Re: deepening color? hannah 11:07:57 10/26/2004 (0)
Re: deepening color? Catherine Cartwright-Jones 08:51:26 10/26/2004 (0)
Catherine, I think we need to signpost the indigo chart Elettaria 08:07:25 10/26/2004 (0)

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: Hanna - I think Catherine or maybe Pierre mentioned in a post a while : back that the henna has to be preoxidation when you apply the indigo : for the two step process. No clue why. Your results might not be : accurate, try a two step test with a fresh henna. : : I, following Kim's lead, went from natural med brown with bleached : highlights to straight henna (too orange), to 50/50, and repeated : 50/50 at the next henna. My hair was getting darker each time because : of the build up of the indigo in particular (highlights have : disappeared) I then followed with 50/30 and then 50/15 to try and : keep it from going too black/dark. I think it is forever going to be : a balancing act to keep matching my mix over my roots to the ends and : not go too dark. The indigo may fade a bit between applications but : not enough to compensate for a 50/50 mix. : : If your goal is to get close to pure black, it seems an easier task. : It is more difficult trying to keep it lighter. : : Get the times right on the indigo. I'd love to see a chart like the : henna chart with dye release and demise for indigo. My experience : using Catherine's indigo, is dye release is about 20 minutes and : demise is at about 90 minutes- all with room temperature tap water. : : My guess with the mixed henna/indigo is the indigo does its thing in : the beginning (1st 45 on hair)and probably demises quickly mixed with : the acidic henna and the remaining head time is mostly henna action. : It could be possible that the indigo dye stains the henna molecule : before it penetrates the shaft, but I know little about the science : and doesn't seem that way in Catherine's grey folical diagrams. : : Hope this helps.
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