No serum works in isolation. Skin is an organ, and it gets its building blocks from what you eat. Here's the nutrition side of skin health — the part estheticians are trained to raise gently with clients, without stepping into medical territory. Omega-3 Fats for a Calmer Barrier Omega-3 fatty acids help skin cells hold moisture and are consistently linked to lower inflammation, which matters for redness and breakout-prone skin. Fatty fish like salmon, sardines, and mackerel a