Retinoic Acid and Wrinkles: effectively firm Skin Texture
The effects of the sun can be seen on the skin of any present or former sun-worshipper in the form of wrinkles, dark spots, roughness, leathery skin texture and a sallow complexion, often with prominent bursts of blood vessels. Under the microscope this shows up as thickening of the outer layer of the skin, with extra grouped pigment cells, and in the deeper dermis, clumps of non-functional elastic tissue and loss of collagen. (more…)