Collagen. An ingredient that everyone knows and almost no one really understands.

Collagen is one of the most used words in the beauty industry. Is it still an ingredient or just a buzzword anymore?
Collagen has definitely become a buzzword. The discomfort is that with its popularity, the narrative has been simplified to the point of absurdity. Collagen is not a magical substance that turns back time. It is a structural protein that performs very specific functions in the skin and can only support them under certain conditions.

What role does collagen actually, then, play in the skin?
Collagen is responsible for the structural integrity of the skin: its firmness, elasticity and so-called mechanical resistance. With age, its production decreases, but this process is natural and biologically determined. So the key question is not “how to stop this process?” but “how to support the skin in adapting to changes.”

How is native collagen different from the collagen that most brands claim?
Native collagen retains its natural structure, including the triple helix. As a result, it works in two ways. On the one hand, it forms a protective film on the surface of the skin, which reduces water loss and gives an immediate smoothing sensation. On the other, in the process of natural degradation, it breaks down into bioactive peptides, which have a signal function for the skin.

Does this mean that collagen “teaches” the skin to regenerate?
Rather, it reminds it of the familiar mechanisms it already has. The skin doesn’t need a replacement with something better, just a boost. Biopeptides act as information: “conditions are favorable, you can start your own repair processes.” You could say that this is a subtle but very important difference in approach.

Why have so many myths grown up around collagen?
Because promising spectacular results is easier than explaining biology. Meanwhile, collagen does not work in isolation from the entire skin ecosystem. If the barrier is compromised, if the skin is chronically irritated, even the most perfect ingredient will not work to its potential.

So how to think sensibly about collagen in care?
As a component of a much larger process. Not as a “solution” per se, but as a support for the skin to regain a chance to function in balance. Collagen does not reverse time, but it can make the skin age more calmly, more harmoniously and with less loss of comfort.

One sentence summary?
Collagen is not a promise. It is a very efficient biological tool, and only if we treat it with proper knowledge can it fulfill its role.