Would this recipe darken skin and hair?

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Offline Justin88

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Would this recipe darken skin and hair?
« on: 27/01/2011 21:03:14 »
somebody gave mme the following recipe claiming it darkens hair growth and skin:

recipe is
Ethoxyldiglycol 20%-25%
Distilled water 60%-80%
Acetyl tyrosine (better absorbed than tyrosine) 1%-5% (water-soluble)
Angelica sinensis extract (dong quai) 1%-5% (glycol-soluble)
preservatives (up to you)

Could you help me and see if it's a good combo that could work? Thanks a lot



Mod edit - formatted subject as a question.  Please do this to help keep the forum tidy and easy to navigate.  Thanks.
« Last Edit: 17/02/2011 09:53:11 by BenV »

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Offline Justin88

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Re: Would this recipe darken skin and hair?
« Reply #1 on: 16/02/2011 17:17:54 »
PS I've been looking into this lately, been reading about patents darkening hair and skin at the pigmentation level.  In lots of patents L-phenylalanine ( precursor of tyrosine), tyrosine and/or L-dopa are involved ( as prescribed towards the end of the article:  http://www.cosmedix.com/skin-care-related-articles/skin-care-ingredients/chiral-skin-care )
I guess the right way to get it to the hair follicle/dermal papilla would be easier to darken.  I just need a good formula, Is there anyone who could help me?

Some links: read 0013 http://www.faqs.org/patents/app/20100137238
                      http://www.freepatentsonline.com/y2004/0086471.html

PS: there's another research on arginine and NO that's involved:
     http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6WBK-5017HF0-3&_user=10&_coverDate=06%2F11%2F2010&_rdoc=1&_fmt=high&_orig=search&_origin=search&_sort=d&_docanchor=&view=c&_searchStrId=1644276494&_rerunOrigin=google&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=63968dbcba2c973d712d6e6ee37e06db&searchtype=a