Does Resveratrol Skin Aging Randomized Trial work?

Updated July 2026

Quick Answer

Resveratrol Skin Aging Randomized Trial has evidence relevant to strength of evidence and what the studies can or cannot prove, but conclusions should stay close to the cited sources. One representative finding is: Objective This study aimed to determine whether liposomal delivery enhances the effects of a collagen tripeptide-containing formulation on dermal structural and biomechanical parameters, as well as appearance-related skin properties, compared with a nonliposomal formulation and placebo.

Key Takeaways

  • 01Objective This study aimed to determine whether liposomal delivery enhances the effects of a collagen tripeptide-containing formulation on dermal structural and biomechanical parameters, as well as appearance-related skin properties, compared with a nonliposomal formulation and placebo. [Lin YK (2026)]
  • 02Methods In a randomized, double-blind, placebo-controlled trial, 75 healthy adults aged 25-65 years were assigned to receive placebo, a nonliposomal formulation containing collagen tripeptides, or a liposomal formulation containing collagen tripeptides (50 mL/day) for 8 weeks. [Lin YK (2026)]
  • 03Notably, the concentration of PIC required for certain in vitro activities remains higher than those typically achieved in vivo, and the current evidence base for PIC in human skin is considerably less developed than that for resveratrol. [Zhang Dian (2026)]
  • 04We aim to: (1) synthesize the evidence for PIC’s multi-target activity in skin aging and acne; (2) critically evaluate existing in vivo and clinical data to identify key evidence gaps; and (3) propose a phase-gate translational framework that prioritizes standardization, sustainable sourcing, nano-delivery, and clinical validation. [Zhang Dian (2026)]
The current Migaku evidence database contains 2 reusable source documents for Resveratrol Skin Aging Randomized Trial. This answer focuses on strength of evidence and what the studies can or cannot prove. - Objective This study aimed to determine whether liposomal delivery enhances the effects of a collagen tripeptide-containing formulation on dermal structural and biomechanical parameters, as well as appearance-related skin properties, compared with a nonliposomal formulation and placebo. [Lin YK (2026); evidence level 2] - Methods In a randomized, double-blind, placebo-controlled trial, 75 healthy adults aged 25-65 years were assigned to receive placebo, a nonliposomal formulation containing collagen tripeptides, or a liposomal formulation containing collagen tripeptides (50 mL/day) for 8 weeks. [Lin YK (2026); evidence level 2] - Notably, the concentration of PIC required for certain in vitro activities remains higher than those typically achieved in vivo, and the current evidence base for PIC in human skin is considerably less developed than that for resveratrol. [Zhang Dian (2026); evidence level 3] - We aim to: (1) synthesize the evidence for PIC’s multi-target activity in skin aging and acne; (2) critically evaluate existing in vivo and clinical data to identify key evidence gaps; and (3) propose a phase-gate translational framework that prioritizes standardization, sustainable sourcing, nano-delivery, and clinical validation. [Zhang Dian (2026); evidence level 3] - Figure 3 Table 1 29 A robust body of in vitro and ex vivo evidence delineates PIC’s pleiotropic effects across the interconnected pathways driving skin aging and dysfunction, as summarized inand. [Zhang Dian (2026); evidence level 3] Evidence levels are sorting aids, not final clinical grades. Level 1 usually indicates systematic-review style evidence, level 2 indicates randomized trials or public-health guidance, and lower levels need more cautious wording. This page is educational. People with medical conditions, pregnancy, medication use, or unusual symptoms should ask a qualified clinician before changing supplements, medication, or treatment routines.

Sources

  1. 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.
  2. Piceatannol from Passion Fruit Seed Waste: A Circular Bioeconomy-Driven Pathway Toward a Skin-Targeted Bioactive