Re: Lawsone = hennotannic acid

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Posted by gloria cosmetics on August 22, 2001 at 23:17:15:

In reply to: Re: Lawsone = hennotannic acid posted by gloria cosmetics on August 22, 2001 at 23:15:43:

: : Lawsone is another word for hennotannic acid. It is the dyestuff
in
: : henna. Some tests were done to see if pure lawsone was safe to
use
: as
: : a colorant in cosmetics, but some Chinese hampsters told the
: : scientists that it was quite toxic.
: :
: : Lawsone, or hennotannic acid, is in small quantities in henna
: leaves,
: : small enough to be of no harm. Similarly, huge quantities of
: vitamin
: : A is very toxic, but you can eat carrots as much as you please
: without
: : suffering.
: :
: : Since hennotannic acid is only staining the exfoliating layer of
: : dermal skin, there's no way for it to build up in your system and
: harm
: : you.

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: : : Lawsone is another word for hennotannic acid. It is the dyestuff : in : : : henna. Some tests were done to see if pure lawsone was safe to : use : : as : : : a colorant in cosmetics, but some Chinese hampsters told the : : : scientists that it was quite toxic. : : : : : : Lawsone, or hennotannic acid, is in small quantities in henna : : leaves, : : : small enough to be of no harm. Similarly, huge quantities of : : vitamin : : : A is very toxic, but you can eat carrots as much as you please : : without : : : suffering. : : : : : : Since hennotannic acid is only staining the exfoliating layer of : : : dermal skin, there's no way for it to build up in your system and : : harm : : : you.
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