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That last point is easy to miss
By comparing these studies, it became clear that careful optimization of liposomal formulations (e.g., using high-purity phospholipids, proper size control) was required- a fact underscored by the delayed commercial success of liposomal nutraceuticals until the late 1990s
Most lyophilized peptides, including ours at Real Peptides, are sealed under a slight vacuum to ensure sterility and maintain a dry, stable environment for the powder
Applied topically, it helps create an optimal environment for skin cell health, supporting firmness, elasticity, and a youthful-looking complexion
The result, expressed in EU/mg of peptide, is reported on the Certificate of Analysis at cell-culture-reference acceptance limits, allowing the material to be used in sterile fibroblast and keratinocyte workflows without LPS-driven confounding signals
