Collagen is one of the most important structural proteins in the skin. It is located in the dermal layer and provides firmness, elasticity, and support. Unfortunately, collagen production begins to decline around the age of 25. Collagen is produced by specialized cells called fibroblasts . As long as fibroblasts function efficiently, the skin continues to produce healthy collagen. However, with age and environmental damage, fibroblast activity slows down. This leads to gradua