Gray hair is linked to declining stem cell function in hair follicles. Luteolin, a powerful flavonoid found in plants, has shown promise in protecting these cells from oxidative stress. It outperforms other antioxidants in preventing gray hair, especially when applied topically. Foods like celery, parsley, and citrus fruits can boost your luteolin intake. The conversation also highlights how maintaining cooperation between keratinocyte and melanocyte stem cells is crucial for keeping hair its natural color. Dive into the natural secrets of hair health!