Description
How Does Obagi Tretinoin Work?
Retinoic acid works by facilitating communication between cells for the production of collagen and skin (epithelial) cell growth. The purpose of new skin cells is to replace old, dead skin cells that have done their job and should slough off our body. And they do – to the tune of 30,000 to 40,000 every minute! But that’s for the entire body. Our face is always exposed so it needs to shed an extremely high amount. That’s where increased skin cell growth comes into play.
When new skin cells are created, they push to the surface causing the old ones to turn “flaky” and slough off. In this same process, increased skin cell growth also treats acne. As new skin cells make their way to our outer epidermal layer, they loosen hard buildup of oil and bacteria that clog pores.
But wait, there’s more. Retinoic acid also helps prevent the breakdown of elastin, part of the body’s connective tissue. Elastin gives skin its flexibility and firmness. When the skin’s supply of elastin diminishes, sagging and wrinkles result.
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