Meaning ❉ The medulla, a gentle, often unseen core within the hair strand, offers a quiet understanding of textured hair’s unique structural biology. While its presence can vary, this innermost layer provides key insights for Black and mixed-race hair, guiding how strands receive and retain moisture. Acknowledging the medulla’s subtle influence helps systematize hair care, informing thoughtful, almost automated adjustments to routines that honor each strand’s individual needs. This foundational knowledge allows for the precise implementation of practices, ensuring that care truly aligns with your hair’s inherent composition. Recognizing this internal characteristic fosters a deeper appreciation for your hair’s strength and guides purposeful attention to its unique requirements, supporting healthy growth and resilience.