PhD Trials® presents an in vivo anti-oxidant effect claim substantiation study at In Cosmetics 2016 in Paris.

Anti-oxidant activity is one of the important protective effects that could reduce the skin ageing process, particular those induced by sun exposure.

Usually the substantiation of these effects require an in vitro study, that, although is suggestive of an in vivo efficacy, cannot mimic the high variability of the human body.

The Research & Development Department of PhD Trials has proposed and validated an in vivo anti-oxidant effect study that uses the β-carotene color change following an exposure to UVA