a few answers...

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Posted by Alison on May 16, 2004 at 23:03:00:

In reply to: dye release - is there such a thing as waiting too long? posted by Barbara on May 16, 2004 at 18:56:37:

: This is only my second time, and I have a question about dye
release timing. I
: let my mix sit overnight, and this morning it was clear that the
dye had released.
: Mostly out of curiosity, I am wondering if is there an optimal time
frame for putting
: henna on the hair after dye release -- in other words, can the dye
can be out for too
: long and therefore be less "penetrating?" :
: For example, my hair is long and quite thick, and so it takes my
friend two hours to
: really get it slathered on from roots to ends. In that time, is the
henna mix that goes
: on my hair at the end of the session any more or less
potent/effective?

Yeah, but 2 hours isn't the breaking point. Check out
http://www.hennapage.com/henna/how/dyerelease.html for the answers to
dye release questions.

And, similarly,
: while I have read that there is a difference between leaving henna
on for two hours
: and four hours (deeper color), is there a generally accepted time
after which longer
: does not equal more stain?

Probably anywhere over 8 hours is overkill, but that is just my
guess. The reason I say that is because I've found henna for body
art won't get an improved stain if it stays on the skin longer than 8
hours or so (ie, overnight, and with "improved" meaning "dark"). The
longer the henna stays on the skin up to that point, the darker the
stain will be all other factors being equal, but after that it
doesn't change to a noticable degree. However, given the differences
between skin and keratin in hair...I'll only claim that answer as a
guess!

Hope this helps some!

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Re: a few answers... Alison 23:04:29 5/16/2004 (0)

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: : This is only my second time, and I have a question about dye : release timing. I : : let my mix sit overnight, and this morning it was clear that the : dye had released. : : Mostly out of curiosity, I am wondering if is there an optimal time : frame for putting : : henna on the hair after dye release -- in other words, can the dye : can be out for too : : long and therefore be less "penetrating?" : : : For example, my hair is long and quite thick, and so it takes my : friend two hours to : : really get it slathered on from roots to ends. In that time, is the : henna mix that goes : : on my hair at the end of the session any more or less : potent/effective? : : : Yeah, but 2 hours isn't the breaking point. Check out : http://www.hennapage.com/henna/how/dyerelease.html for the answers to : dye release questions. : : And, similarly, : : while I have read that there is a difference between leaving henna : on for two hours : : and four hours (deeper color), is there a generally accepted time : after which longer : : does not equal more stain? : : Probably anywhere over 8 hours is overkill, but that is just my : guess. The reason I say that is because I've found henna for body : art won't get an improved stain if it stays on the skin longer than 8 : hours or so (ie, overnight, and with "improved" meaning "dark"). The : longer the henna stays on the skin up to that point, the darker the : stain will be all other factors being equal, but after that it : doesn't change to a noticable degree. However, given the differences : between skin and keratin in hair...I'll only claim that answer as a : guess! : : : Hope this helps some!
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