What Is Collagen? Dipalmitoyl Hydroxyproline Dipalmitoyl hydroxyproline (DPHP) is a combination of an amino acid (hydroxyproline) and it works to make your skin firmer and […]
Collagen Definition
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What Is Collagen? Dipalmitoyl Hydroxyproline Dipalmitoyl hydroxyproline (DPHP) is a combination of an amino acid (hydroxyproline) and it works to make your skin firmer and […]