Posts Tagged ‘skin barrier’
April 3rd, 2022 by Dr. Hannah Sivak
Kinetin (6-furfurylaminopurine) is a derivative of adenine, one of the nucleic acid bases that form DNA and RNA. Kinetin would be more effective if you were a plant looking to grow some shoots, but it has some benefits for human skin. Figure. Kinetin (6-furfurylaminopurine) Kinetin on human skin Kinetin (a chemical with plant hormone activity) and zeatin (a natural plant hormone) have been shown to have some growth-modulating, antioxidative and antisenescence effects in human skin cells. Kinetin application also stimulated the formation of elastin and fibrillin-1 deposition in the upper dermis and stimulated their perpendicular organization to the dermo-epidermal junction. Kinetin may affect keratinocyte differentiation to improve skin moisture content,…
August 10th, 2019 by Dr. Hannah Sivak
I have discussed before in this blog the importance of the skin as a barrier and what happens when it gets disrupted. The skin barrier and how it works. This is about sensitive skin. A quick search of the blog will take you to dozens of posts related to the skin barrier. The “acid mantle” is part of the skin barrier, and probably one you don’t have to worry about unless you keep washing your hands with an antiquated alkaline bar of soap. Most soaps now are milder, more acidic and contain detergents rather than alkaline soap (or a mix). Even when washed with the wrong kind of soap, the…
July 7th, 2017 by Dr. Hannah Sivak
The image that springs to mind when we read “skin barrier” may be cartoonish, with an impermeable layer of skin resisting entry of anything and everything. This is a false image projected by skin care companies trying to convince us that useful actives will not penetrate the skin unless we use sophisticated delivery systems, a gimmick to sell more products at higher prices. The truth of it is, whatever you apply to the skin will be absorbed, for better and for worse. What is the skin barrier? The term “skin barrier” refers to the main function of the skin: limiting water loss through the skin. How does the skin limit…