The Effect of 12-Week Dietary Intake of Lutein on Minimal Erythema Dose and Other Skin Parameters

Inclusion Criteria: * Caucasian female volunteers aged between 25 and 55 years at the time of the signature of Informed consent form (ICF), * Signed Informed consent form (ICF), * Fitzpatrick skin phototypes II and III, * No skin pigmentation disorders, * In good health condition, * Willingness to avoid a consumption of any food supplements containing carotenes or other antioxidants during the study, * Willingness to avoid the sun, tanning beds and tanning products on the gluteal area during the study, * Willingness to follow all study procedures and keeping a diary for during the study (to follow their compliance and palatability), * No changes in dietary habits or dietary supplements in last month prior to inclusion. * No changes in cosmetic facial and body care routine in last month prior to inclusion on measurement areas. Exclusion Criteria: * Pregnancy or breastfeeding, * Known or suspected allergy to any ingredient of the tested products or UV radiation, * Changes in dietary habits and dietary supplementation in last month prior to inclusion, * Veganism, * Changes in cosmetic facial and body care routine in last month prior to inclusion. * Diagnosed and uncontrolled/untreated/unregulated disease, * Any clinically significant history of serious metabolic disease, digestive tract disease, liver disease, kidney disease, haematological disease. * Acute skin diseases, * Regular consumption of food supplements containing carotenoids or other antioxidants in last month before inclusion into the study. * Invasive rejuvenation treatments (e.g. needle rollers, needle mesotherapy, deep/medium-deep chemical peels etc.) in last 6 months prior to study entry, * Non-invasive rejuvenation treatments (e.g. radiofrequency, electrotherapy, ultrasound therapy) in last 2 months prior to study entry, * Gluteal hyperpigmentation, * Mental incapacity that precludes adequate understanding or cooperation