Cosmetics Formulation Development


อยากทราบ % copper peptide

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I want to know % copper peptide

Postby wichayutw » Sat Feb 24, 2018 1:30 pm

Copper Peptide (GHK-Cu) that says 1000ppm concentrate, this is equal to What % concentration?
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Re: I want to know % copper peptide

Postby staff » Thu Mar 01, 2018 5:23 pm

Hello, 1000ppm = 0.1%
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