Peptides are everywhere. In serums. In injectables. In regenerative conversations. In marketing copy that promises collagen, firmness, tightening and repair. But strip away the noise and the buzzwords and one question remains: What actually are peptides — and why do they matter in modern aesthetics?

There was a time when aesthetic medicine was defined by volume. More contour. More lift. More millilitres. The industry matured on the back of hyaluronic acid and neuromodulators — effective, transformative, predictable. But something is shifting.