Hydration
The skin continuously loses water, even when we are not perspiring. This natural phenomenon, known as transepidermal water loss (TEWL), contributes to the skin’s equilibrium. When it intensifies, the skin becomes more fragile and more reactive. But what exactly is transepidermal water loss? Let us explore this mechanism together to better understand skin hydration.
Vitamin C is chiefly known for its antioxidant action and its ability to support collagen synthesis. But what about its capacity to retain water in the skin? Can vitamin C be considered a hydrating active ingredient? This is the question we address in this article.
We often describe hair as dehydrated, just as we would speak of skin lacking water. However, given that hair is composed of dead material, is it biologically correct to talk about hair hydration? And if so, is it possible to regulate it and hydrate the hair? Read on to discover the answers to these questions.
Hydration is a key step in any skincare routine. It is also important to regularly remove dead cells that accumulate on the skin's surface by exfoliating. Although these two processes may seem contradictory, they are in fact complementary. How does proper hydration promote exfoliation? Discover it in this article.
The oxidation of fatty acids is a natural phenomenon often overlooked that could potentially impair the skin barrier and exacerbate water loss. How do fatty acids oxidise? Does this process impact skin hydration? Discover all the answers below.
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