Meaning ❉ Hair Curvature Biology precisely examines the inherent structural formation of each hair strand, revealing the distinct patterns of waves, curls, and coils, especially within Black and mixed-race hair. This scientific lens considers the unique follicular architecture and the specific keratin protein arrangements that dictate hair shape. Understanding this fundamental biological blueprint is central to establishing effective textured hair care. It provides the grounding knowledge for systematizing routines, allowing for the precise selection of products and methods that honor the hair’s natural inclinations. Practical application of this insight transforms daily practices into mindful actions, supporting strand integrity and promoting gentle growth, moving beyond generic approaches to truly tailored hair well-being.