Abstract
As skin ages, there is a decline in physiologic function. These changes are induced by both intrinsic (chronologic) and extrinsic (predominately UV-induced) factors. Botanicals offer potential benefits to combat some of the signs of aging. Here, we review select botanicals and the scientific evidence behind their anti-aging claims. Botanicals may offer anti-inflammatory, antioxidant, moisturizing, UV-protective, and other effects. A multitude of botanicals are listed as ingredients in popular cosmetics and cosmeceuticals, but only a select few are discussed here. These were chosen based on the availability of scientific data, personal interest of the authors, and perceived “popularity” of current cosmetic and cosmeceutical products. The botanicals reviewed here include argan oil, coconut oil, crocin, feverfew, green tea, marigold, pomegranate, and soy.
Highlights
Skin aging is due to the cumulative effects of both intrinsic aging and extrinsic (predominately ultraviolet A (UVA) and ultraviolet B (UVB) related) aging [1,2]
There are numerous botanicals listed as ingredients in popular cosmetics and cosmeceuticals, we are only able to discuss a few select botanicals here
Mechanisms of anti-aging botanicals include the free radical scavenging potential of topically applied antioxidants, increased sun protection, increased skin moisturization, and multiple effects leading to increased collagen formation or decreased collagen breakdown
Summary
Skin aging is due to the cumulative effects of both intrinsic (chronologic) aging and extrinsic (predominately ultraviolet A (UVA) and ultraviolet B (UVB) related) aging [1,2]. Fragility, easy bruisability, loss of elasticity, and mottled dyspigmentation [3]. Intrinsically aged skin demonstrates cell loss, a thinned epidermis, flattening of the dermal-epidermal junction (DEJ), and fine lines and wrinkles [4,5]. Aged skin (photoaged) demonstrates coarse wrinkling and mottled dyspigmentation [4,5]. Multiple other external factors affect or potentially affect skin aging including smoking, pollution, nutrition, sleep deprivation, stress, and extreme temperatures [2]. The cumulative effects of skin aging are alterations that decrease physiologic function [6,7]
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