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matrixyl question

 
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bike6564



Joined: 30 Aug 2005
Posts: 22

PostPosted: Fri Nov 25, 2005 12:47 pm    Post subject: matrixyl question Reply with quote

Dr. T -

I just bought "Andrea Wrinkle Release with Amazing Matrixyl, Daily Rebuilding Serum." It's $9.99 at Drugstore.com. This is the only Matrixyl product I've found that is comparable to the DIY price.

Also, I read on another post that Sederma "mandates that every company who purchases their palmitoyl pentapeptide must use at least 3 p.p.m." Is this true? And is the specific name "Matrixyl" a trademark of Sederma, i.e., a company cannot list "Matrixyl" as an ingredient unless it comes from Sederma?

Here are the ingredients:

Water (aqua), Macrocystis Pyrifera Extract, Melaleuca Alternifolia Leaf Extract, Oryza Sativa Extract (Rice), Hydrolyzed Wheat Protein, Palmitoyl Pentapeptide 3 (Matrixyl), Sodium Hyaluronate, PVP, Glycerine, Butylene Glycol, Hydroxyethylcellulose, Carbomer, PEG-40, Hydrogenated Castor Oil, Polysorbate-20, Triethanolamine, Fragrance, DMDM Hydantoin, Iodopropynyl Butylcarbamate

Thanks
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drtodorov
Site Admin


Joined: 10 Dec 2004
Posts: 3177

PostPosted: Fri Nov 25, 2005 6:22 pm    Post subject: Reply with quote

As far as I know, the name Matrixyl originated from Sederma in some way. What's it's legal status, I do not know.

I am not sure that Sederma mandates 3 ppm, but if it has a capacity for such a mandate, it makes sense because they have their reputation to protect and would want at least the minimum effective concentration in products with their patented ingredients.
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