Using methods to transfer pigmentation digitally from volunteers’ inner forearms to their faces can help to predict facial pigmentation reactions
ABSTRACT
There is interest, particularly within the cosmetics industry, in understanding what pigmentation reactions and their modulation look like on the face. We have therefore developed methods that enable us to transfer pigmentation digitally from volunteers’ inner forearms to their faces. Using these methods, we can predict facial pigmentation reactions, based on the reaction on surrogate body sites such as the forearm, without irradiating the face
Irradiating the skin is an established method for studying pigmentation, UV damage and photoageing, and for inducing erythema to assess the efficacy and determine the sun protection factor (SPF) of UV filters. In order to develop and test active ingredients that can help prevent photoageing and modulate visible pigmentation, the cosmetics industry is particularly interested in studying photoageing and cutaneous tanning reactions.
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