Prospective, Randomized, Double-Blind, Placebo-Controlled Study of an Oral Antioxidant-Rich Synbiotic Supplement on Skin Health and Photoaging.

What Was Tested

This randomized controlled trial looks at Copper (Supplement).

This study evaluates the effects of an antioxidant-rich synbiotic supplement on facial elasticity, hydration, and photoaging markers, such as erythema and pigmentation.

Why It Was Studied

This study explores how oral supplementation impacts photoaged skin, hydration, and elasticity.

Who Took Part

The abstract describes 36 participants taking part.

The age groups tagged for this paper are adults, middle-aged adults and older adults, both men and women.

In this 8-week study, 36 participants from the Sacramento region were randomized to receive either the antioxidant-rich synbiotic supplement or a placebo.

Participants had 3 visits: baseline, week 4, and week 8.

How the Study Was Run

The design is described as randomized, double-blind and placebo-controlled.

Because people in this Copper (Supplement) study were split into groups at random, differences between the groups are less likely to reflect who happened to join each one.

Neither the participants nor the staff measuring them knew who was on Copper (Supplement), so expectations could not easily colour the readings.

A placebo (an inactive look-alike) gave the Copper (Supplement) group a baseline to be compared against.

Noninvasive facial measurements, including hydration, elasticity, erythema, and pigmentation, were obtained.

Facial photography and analysis were performed.

What Was Measured

The subject headings attached to it are Skin Aging, Antioxidants, Synbiotics, Erythema, Elasticity, Skin and Dietary Supplements.

The authors tagged it with the keywords herbs, hydration and photoaging.

What This Means in Plain Language

The paper is a randomized, double-blind and placebo-controlled study of Copper (Supplement) in 36 participants.

With fewer than 40 people, it is a small study, so it is better read as an early signal for further research than as a settled answer.

Results are reported in around 5 sentences of the abstract; we leave them to the paper itself rather than summarise them.

The publication is from 2026 (Journal of cosmetic dermatology), a journal based in England.

More context: the Copper (Supplement) compound page, all human trials.