Collagen is one of the natural biomaterials used in cosmetic preparation. It is the most abundant\nprotein in mammals which is obtained from many sources such as bovine, porcine and human.\nCollagen based cosmetics are in demand now a days though safety issues related with allergies\nare still main concern of consumers. The collagen is used for different purposes in cosmetic and\nmedical field such as dermal filler, skin substitute and facial products. Use of collagen in medical\nfield is useful depending upon the patient�s requirement. It is useful in pathological conditions like in\nseverely burn patients, patients with chronic wounds such as foot ulcers due to diabetes and\nvenous leg ulcers etc however, use of collagen injection as anti-aging/anti-wrinkle biomaterial need\nto be further investigated in large population study to check the side effects in long term.
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