Stratum corneum intercellular matrix protein (nonspecific; no singular canonical name)

The **stratum corneum intercellular matrix** is a complex extracellular network found between terminally differentiated corneocytes in the skin’s outermost layer. It comprises organized **lipids (ceramides, cholesterol, sphingolipids)** and various **structural proteins** that together create the skin’s essential barrier against water loss, pathogens, and environmental insult. The matrix also contains enzymes and peptides that modulate barrier function, water retention, and innate immunity. Rather than a single molecule, this matrix represents a dynamic and heterogeneous mix of components crucial for cutaneous health and resilience[1][3][6]. **Key Point**: The queried entry is not a **discrete drug target** but rather refers broadly to the proteinaceous and lipid components of the stratum corneum extracellular matrix, making it an unsuitable or incorrect entry for structured drug-target databases. The stratum corneum’s barrier function is a pharmacologic endpoint, but the matrix proteins themselves do not represent a single, defined, druggable entity[1][3][6].

Other names

Stratum corneum matrix proteinsextracellular matrix proteins of stratum corneumSC intercellular proteins

Physical occlusion/restoration of barrier Enhancement of lipid or protein content in matrix Indirect modulation of hydration and barrier repair