How to Tell Whether a Skin Care Product Works: Test it on People

Plenty of products claim to restore your skin’s health or counteract the signs of aging. Many of them have some level of scientific backing for their claims.

But there’s more to efficacy than that. In many cases, these products rely on third-party data, such as tests on the separate ingredients contained in their formulations. If you dig a little deeper, you find that they haven’t tested the actual product.

Does the product work on real people? Do their active ingredients have unexpected side effects when combined with other substances in the product’s formulation? How does the manufacturing process affect efficacy? It’s rare to receive a satisfactory answer.

We weren’t happy with this approach, so we commissioned a clinical trial by Germany’s Dermatest Research Institute for Reliable Results. 20 people largely aged in their 40s and 50s received Ao #6 Rewind Retinal once per day in the evening over four weeks. The trial measured skin elasticity and skin roughness using the VISIA system.

The results are unequivocal. After just four weeks, our subjects enjoyed an improvement in skin elasticity averaging 29%. There was also a 14% reduction in skin roughness on average. There were no reported side effects.

Obtaining such dramatic improvements within a month is excellent news. The results suggest that the Ao approach really works.

It’s adaptive skin care that helps restore skin to its native state of health.

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Dr. Mark Gray

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