UV exposes that cause extrinsic aging not only cause skin erythema and pigmentation, but also cause various skin events such as skin aging by reactive oxygen species (ROS).
Ellead has been performing various efficacy evaluations using UV-induced skin events.
Evaluation of skin soothing efficacy by inducing erythema through UV exposure to the skin, or evaluation of skin pigmentation improvement using pigmentation by artificially tanning the skin is classical evaluation method.Recently, Ellead has been conducting skin antioxidant evaluation by collecting stratum corneum of the skin from UV exposed skin (fig 1.).
That is a non-invasive method for measuring carbonylated protein caused by the product of oxidative stress found in the stratum corneum of the skin.
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