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thegoodwitch
Joined: 23 Dec 2005 Posts: 11
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Posted: Thu Dec 29, 2005 2:29 pm Post subject: Olay Regenerist + Matrixyl |
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Does anyone know what the percentage of Matrixyl in Olay Regenerist is? Is there any harm in adding additional Matrixyl to the already-existing formulation?
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drtodorov Site Admin
Joined: 10 Dec 2004 Posts: 3177
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Posted: Sun Jan 01, 2006 6:50 pm Post subject: |
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There is probably no harm, but for some skin active peptides, the dose-response curve is not linear, so increasing the concentration may sometimes reduce the benefits. (I don't have this data for Matrixyl at hand thou). |
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