Keyora HydraCera 5 in 1: A Precision Nutricosmetic Framework for Multimodal Dermal Matrix Reconstruction and Barrier Optimization Investigating the Synergistic Mechanisms of the Structural Hydration Triad and Functional Barrier Duo for Advanced Hydration, Elasticity, and Radiance Contributor: 0009-0007-5798-1996 Project DOI 10.17605/OSF.IO/FTGZV