Can a postbiotic cream turn back the clock on aging skin?

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Female participants. * Age between 35 and 60 years. * All skin types (combination, oily, dry, and/or normal). * Skin condition: 50% sensitive skin and 50% normal skin. * Visible signs of facial skin aging (mild/moderate wrinkles and/or pigmentation spots). * Willingness to participate voluntarily and provide written informed consent. * Ability to understand the study objectives and procedures. * Good general health (physical and mental). * Availability to attend all scheduled visits at the research center. * Discontinuation of anti-aging products on the experimental area (face) at least 7 days prior to study start. * Commitment not to change facial hygiene routines during the study. Exclusion Criteria: * Pregnant or breastfeeding women. * History of allergy to cosmetic products and/or dietary supplements. * Known allergy or hypersensitivity to any component of the product. * History or current diagnosis of cancer. * Active skin diseases or infections in the experimental area. * Recent or planned surgical or aesthetic interventions in the experimental area Medical-aesthetic treatments on the face within the last 6 months (e.g., botulinum toxin, hyaluronic acid, laser, radiofrequency, HIFU, deep chemical peels, microneedling with actives). * Relevant dermatological conditions in the experimental area (eczema, psoriasis, allergic/contact dermatitis, etc.). * Use of topical or systemic medications affecting the skin (retinoids, antibiotics, corticosteroids) within the last 3 months. * Current or planned use of supplements that may affect skin health (collagen, antioxidant vitamins A/C/E, zinc, omega-3, oral probiotics/prebiotics). * Systemic diseases such as autoimmune disorders (rheumatoid arthritis, lupus, multiple sclerosis), chronic viral infections (HIV, hepatitis B/C), or severe metabolic diseases. * Use of any product other than the study product on the experimental area during the study. * Planned significant changes in health habits during the study (diet, physical activity, structured exercise programs). * Recent or planned changes in hormonal contraceptives. * Sun or UVA exposure during the study. * Participation in another clinical study involving the same experimental area * Application of any product on the experimental area on the day of study initiation. * Any medical condition, at the investigator's discretion, that may interfere with protocol adherence or participant safety.