Understanding the Link Between Skin Health and Diet: What is the active ingredient in lanolin?
                                
                                
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                                    4 min read                                
                            
                                According to a 2017 study, lanolin can reduce transepidermal water loss from the skin by 20 to 30 percent, demonstrating its potent moisturizing capabilities. Yet, healthy skin is a result of both internal nourishment and external care, a fact that raises the question: beyond topical products, what is the active ingredient in lanolin and how does it relate to our overall nutrition?