Keyora HydraCera 5-in-1: A Multi-Target Mechanistic Approach to Dermal Homeostasis An Oral 5-in-1 Nutricosmetic System for Deep Hydration, Barrier Repair, Elastic-Matrix Support, and Antioxidant Brightening 0009-0007-5798-1996 DOI: 10.5281/zenodo.16927890