Liposomal Delivery Enhances the Effects of a Collagen Tripeptide-Containing Formulation on Dermal Structure and Optical Skin Parameters: A Randomized, Double-Blind, Placebo-Controlled Trial.

Similarly, for skin collagen density, hydration, luminance, and tone lightening, the liposomal formulation generally showed numerically greater improvements than the non‐liposomal formulation, although these between‐formulation differences did not reach statistical significance.

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