Pomegranate Extract Reduces Crow's Feet 48% in 60-Day Clinical Trial

Three numbers from a recent clinical trial are drawing attention in evidence-based skincare circles: 48% reduction in crow’s feet wrinkles, 43.3% improvement in skin roughness, and 42.8% increase in radiance. All from a single oral supplement, in 60 days, with zero adverse events.

The ingredient is Grantria, a standardized pomegranate extract, and the data comes from a double-blind randomized controlled trial published in the American Journal of Translational Research.

The Study Design

The trial enrolled 80 women between the ages of 35 and 65. Participants took either 300mg of Grantria or a placebo daily for 60 days. Skin outcomes were assessed using validated measurement instruments alongside self-reported evaluations.

Final results at 60 days:

• Crow’s feet reduction: 48% (P<0.001)
• Skin roughness improvement: 43.3% (P<0.001)
• Radiance improvement: 42.8% (P<0.001)
• Adverse events: zero
• Self-reported radiance improvement: 97.5% of participants

P<0.001 means the probability of these results occurring by chance is less than 0.1%. The effect sizes across all three measurements are substantial by cosmetic ingredient standards.

What Is Inside Pomegranate

Pomegranate’s antioxidant reputation is grounded in two distinctive compound classes.

Punicalagins: These are high-molecular-weight tannins found uniquely in pomegranate. Before absorption, the digestive system breaks them down into smaller compounds including punicalagin and ellagic acid. In head-to-head antioxidant assays, punicalagins have demonstrated higher radical-scavenging activity than the polyphenols in red wine and green tea.

Ellagic acid: The active metabolite that forms when punicalagins are broken down. Research at the cellular level shows it inhibits matrix metalloproteinases (MMPs, the enzymes responsible for breaking down collagen), reduces oxidative stress from UV exposure, and suppresses tyrosinase, the enzyme driving melanin production.

Grantria standardizes these compounds to a consistent concentration. This distinguishes it from generic pomegranate powder, where polyphenol content can vary dramatically between batches and suppliers.

How It Works in Skin

Skin aging follows two broad pathways. Intrinsic aging involves the natural decline in collagen production and cell turnover that occurs with age. Extrinsic aging is driven by external stressors, primarily UV radiation and environmental pollution, which generate reactive oxygen species (ROS, unstable molecules that damage cells and trigger inflammation).

Pomegranate polyphenols operate primarily on the extrinsic pathway.

When UV light hits the skin, ROS accumulate and activate collagen-degrading enzymes. Ellagic acid neutralizes ROS before they can trigger that enzymatic cascade. It also directly inhibits MMP activity, creating a double layer of collagen protection. The melanin suppression effect of tyrosinase inhibition explains the radiance improvement metric: less melanin synthesis means less uneven pigmentation and a brighter overall complexion.

Getting Pomegranate Through Food

For those who prefer starting with food before supplements:

• One whole pomegranate: approximately 500 to 1,000mg of punicalagins in the arils
• 100% pomegranate juice, 240mL: highly variable, roughly 100 to 400mg depending on processing
• Standardized Grantria extract: 300mg per day at consistent potency

Pomegranate juice contains around 30 grams of sugar per cup, which is worth factoring in if you are also managing blood sugar. Whole pomegranate arils give you the polyphenols with the fiber intact and less sugar impact.

Reading the Evidence Carefully

These numbers are strong, and the trial design is solid for a supplement study: double-blind, placebo-controlled, reasonable sample size, objective measurement instruments, and 60 days of follow-up. The 48% reduction in crow’s feet is competitive with topical retinol product data in comparable timeframes.

The appropriate context is that Grantria is a commercially developed patented ingredient, which means the research ecosystem around it tends to be industry-proximate. That does not invalidate the findings, but it does mean that independent replication would strengthen confidence further.

What makes the oral supplementation angle interesting is the mechanism: topical products work from the outside in, while antioxidant supplementation works systemically, protecting collagen from the inside out. The combination of both approaches addresses extrinsic skin aging from two directions simultaneously.