What Is a Facial Serum
What Is a Facial Serum? A facial serum is a concentrated skincare product formulated with high-potency active ingredients, such as plant extracts, ceramides, squalane, and other premium compounds. Unlike heavier moisturizers or creams, serums feature smaller molecular structures (typically 500–1000 Da, compared to 2000+ Da for creams), allowing them to penetrate 2–3x deeper into the […]