Meaning ❉ Dietary Lineage refers to the inherited and generational nutritional patterns influencing the physiological composition and structural integrity of textured hair. It considers the ancestral foodways and their biochemical impact across generations, providing a foundational understanding of an individual’s unique hair predispositions. This concept informs the growth of knowledge regarding Black and mixed-race hair, moving beyond surface-level care to address deeper, nutritionally-rooted influences on hair well-being. Acknowledging this lineage aids in systematizing hair care routines, allowing for precise, automation-like principles in selecting dietary components or supplements that address specific ancestral nutritional gaps or strengths. The practical application involves implementing targeted dietary adjustments or leveraging traditional food wisdom to optimize hair growth, resilience, and appearance, thereby supporting the hair’s inherent vibrancy from within.