Biometrical Evaluation of the Efficacy of a Food Supplement Versus Placebo

Inclusion Criteria: * Phototype: I to IV; * Subjects with normal to dry skin; * Subjects with healthy skin on the study area; * Non-smokers; * Has normal nutritional habits (not vegetarian/vegan); * Is not pregnant or lactating; * Has a BMI of 18 - 33 kg/m2; * Is willing to refrain from taking dietary supplements (at best not at all, in any case not during the last month before study start); * Willing not to use any oral products or any nutritional supplementation aiming at improving skin status during the course of the study; * No history of malabsorption diseases, liver diseases, or diseases of the lipid metabolism; * Uses no medication, which may interact with the study product Exclusion Criteria: * For women: pregnant or nursing woman or woman planning to get pregnant during the study; * Cutaneous pathology on the study zone (eczema, etc.); * Subject with make-up on the day of the visit at the laboratory; * Use of topical or systemic treatment during the previous weeks liable to interfere with the assessment of the efficacy of the study product: * change in anti-wrinkle, smoothing and/or firming topical products within previous week on the studied zones, * non-invasive procedures within previous month on the studied zones, * intake of food supplement acting on skin within the three previous months, * invasive procedures: * deep chemical peeling within previous 3 months on the studied zones, * mesotherapy, dermapen, laser within previous 6 months on th…