This in vivo C.L.B.T. trade mark sensory methodology is a technique enabling the visual evaluation of a product's multi-factorial claim that it improves 'the complexion's radiance.' It made it possible to show, in a reliable and repeatable fashion, the efficacy of a cosmetic product in improving the 'radiance of the complexion' of members of a test panel. This methodology also substantiated the immediate and long-term effects produced by product A, which made the skin pinker and less sallow, more luminous, more uniform (skin coloring), more regular (skin texture), and then lighter. To conclude, five descriptors out of the seven determining complexion radiance were improved.
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