The name of the product is showing the importance of collagen in your skin cell. Collagen produces by our cells and it has the ability to hold our skin and maintain its firmness and d elasticity. Juvacell But with the passage of time as ageing start synthesis of collagen slow down and present is in damaged form so skin shows ageing signs while in younger age we have smooth elastic skin as collagen form continuously. Luckily there are a lot of ways to increase your collagen production. Up your vitamin C intake for this purpose use natural ingredients fruits have high amount of vitamin C specially the citrus fruits while guava is consider to have highest amount of vitamin C.