1. Metformin has potential in treating acne due to its anti-inflammatory and insulin-sensitizing effects. Studies suggest it reduces skin lesions in PCOS-related acne.

2. While primarily a diabetes drug, Metformin shows promise in addressing hyperpigmentation by inhibiting melanocyte stimulation, potentially reducing dark spots on the skin.

3. Research indicates Metformin may improve skin health in PCOS patients by lowering insulin levels, thereby decreasing androgens known to exacerbate acne and oily skin.