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Scars Caused by Increased Tissue Formation
The scars caused by increased tissue formation are called keloids or hypertrophic scars. The word hypertrophy means “enlargement” or “overgrowth.” Both hypertrophic and keloid scars are associated with excessive amounts of the cell substance collagen. Overproduction of collagen is a response of skin cells to injury. The excess collagen becomes piled up in fibrous masses, resulting in a characteristic firm, smooth, usually irregularly-shaped scar. Hypertrophic and keloid scars persist for years, but may diminish in size over time.

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Acne Treatment – How to Find an Acne Cream
Before you will be able to find an acne cream that successfully treats your acne related skin problems, you need to understand your acne. That means knowing what causes your acne and the severity of it. Besides that, you need to be informed about the acne treatment products that are currently available so that you can try to decide which one will be best for you.
Source: ezinearticles.com