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Collagen injection: Collagen, a normal substance of the body, is injected under the skin to “stretch” and “fill out” certain types of superficial and deep soft scars. Collagen treatment usually does not work as well for ice-pick scars and keloids. Collagen derived from cows or other non-human sources cannot be used in people with autoimmune diseases. Human collagen or fascia is helpful for those allergic to cow-derived collagen. Cosmetic benefit from collagen injection usually lasts 3 to 6 months. Additional collagen injections to maintain the cosmetic benefit are done at additional cost.

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Acne Vulgaris What is it and How is it Different Than Regular Acne
Have you ever heard the term “acne vulgaris”? If you think it sounds pretty gross and like a very nasty condition. Perhaps you imagine a condition that afflicts the private areas of the body. Well, not so fast.
Source: ezinearticles.com