Topical Collagen mainly works as a film former and humectant at the skin surface.
It can improve temporary smoothness and reduce the dry, tight feel, but it does not directly replace dermal collagen because intact collagen is too large to rebuild the dermal matrix from the surface.
Information approach
Consumer-friendly summaries are informed by established cosmetic ingredient references such as INCIDecoder and Paula’s Choice Ingredient Dictionary, while avoiding turning ingredient-level evidence into medical claims about the finished product.
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