Application segmentation dissects the Beauty Food Supplements market according to the primary physiological benefit sought by consumers. The dominant sub‑segment is skin health (approximately 40% of total sales), encompassing collagen‑boosting peptides, antioxidants, and hyaluronic‑acid precursors that target elasticity, moisture retention, and wrinkle reduction. The hair growth segment follows with an estimated 30% share, driven by biotin, keratin‑supporting amino acids, and botanical extracts that stimulate follicular activity. Nail strength accounts for roughly 15%, reflecting demand for keratin‑enhancing compounds such as silica and calcium‑magnesium complexes. The remaining 15% is classified under overall beauty support, a broader category that includes multi‑benefit formulas designed to improve skin, hair, and nails simultaneously. This application‑focused taxonomy clarifies revenue distribution, informs product‑development pipelines, and underpins the Beauty Food Supplements segmentation framework used by investors and strategists.