Skin hydration is one of the most important parameters for assessing its state of health. This is influenced by the cyclical nature of the seasons and in particular by environmental humidity. Thus, if during the winter months it is the cold temperatures that dehydrate the skin, putting a strain on its defensive barrier, during the summer months it is UV rays, air conditioning and chlorine and salt that make it dry and dull. So here is everything you need to know to hydrate her at best this time of year with the advice of a dermatologist. “Transepidermal water loss can be considered a passive process, which depends on several factors including: ambient humidity, temperature and‘integrity of the skin barrier “, explains Elisabetta Fulgione, dermatologist and consultant of La Roche Posay. To measure the state of hydration of the skin there are tests made with two main tools, which can be performed by the dermatologist or by the aesthetic doctor. The dermatologist explains: “The corneometer measures the amount of water present in the stratum corneum, kept moist by the presence of the hydrolipidic film. It is the main tool for assessing skin hydration. Then there is also the Tewameteranother tool that investigates trans epidermal water loss, that is the total amount of water lost through the skin. “A self-assessment can be associated with the instrumental evaluation, which can be done independently at home: chapped skin, rough to the touch and peeling is presumably dehydrated skin.
L‘hydration is essential to ensure skin elasticity. If it is insufficient, in fact, it can cause a reduction in the water content in the most superficial layer of the epidermis, which causes peeling, cracking, redness, inflammation, roughness and itching, to understand better, many of the sensations that you feel after a long journey. by plane. “The first step to maintain hydration is an adequate cleansing of the face, useful for freeing the skin of make-up and other impurities that inevitably settle throughout the day. The skin, in fact, is comparable to a sponge : during the day, the natural hydrolipidic film of the skin captures and absorbs smog, pollution and dust, hindering the physiological skin transpiration. This meticulously performed with specific and delicate detergents, and is essential to keep the skin hydrated and healthy over time “, says the dermatologist.
After cleansing, it is essential to apply cosmetics that moisturize. There are different types on the market, but they mainly act in two main ways. “Those that contain hyaluronic acid are capable of absorbing and retaining the‘water, which helps increase the amount of water present in the skin. While the serums and creams with film-forming and emollient ingredients, such as vegetable oils and butters, create a “corked” effect, which prevents the water from evaporating “, explains Dr. Fulgione. In summer, then, the texture of cosmetics is lightened: the gel and water formulations give a refreshing effect during the hottest days, and the SPF becomes the fundamental product even in the city. skincare and make-up and contain all the moisturizing and antioxidant ingredients of a day cream, with the added value of uniforming the‘complexion, thanks to soft focus pigments and particles.
The mistake not to make? That of over-hydrating or over-hydrating your skin. “Those with oily skin often do not feel the need to apply moisturizing products during the summer, but avoid them in the hope of reducing sebum production. On the other hand, those with dry skin continue to use creams that are too” rich ” for the summer. The skin should always be hydrated by choosing with an expert the products that are suitable for its needs and the season, says the dermatologist. Skin hydration occurs first of all from the outside, but certainly adequate nutrition can help to optimize the water content in the body. “In addition to water, it is also important to drink tea and herbal teas throughout the day, among the foods, foods such as raw or cooked fruit and vegetables are to be preferred. About four hundred grams per day between meals and snacks. Perfect are melon, watermelon, apples, peaches, apricots, strawberries. And then peppers, tomatoes, cucumbers, radishes, courgettes, radicchio, chicory and lettuce. Other useful foods to supplement the water intake are yogurt, milk and its derivatives “concludes Dr. Elisabetta Fulgione. In short, creams moisturize from the outside, and foods from the inside, and therefore, to have a radiant skin. , it is important to find the right balance between these two elements.
The products to moisturize the skin to the best the skin dehydrates
La Roche Posay Hyalu B5 serum
A moisturizing and plumping formula, studied with pure hyaluronic acid, vitamin B5 and thermal water. Repairs the skin barrier and reduces signs of skin dehydration (at the pharmacy).
Fresh beauty cream 3 in 1 di Nuxe
A multitasking product enriched with plant milk and sweet almond oil that acts as a make-up remover, moisturizer and nourishing mask. Perfect for saving space in your vanity case when traveling.
Gel Moisturizing Cream Jart+
It helps to balance the microbiome of the skin thanks to a particular ferment contained within it. In addition, high and low molecular weight hyaluronic acid increases hydration in the different layers of the skin.
Darling Screen-Me Spray Spf30
A broad spectrum high protection moisturizer for face and body. It is rich in high quality active ingredients, such as moringa oil, antioxidant and anti-inflammatory, hyaluronic acid to preserve the hydration and elasticity of the skin.
Dior Hydra Life Fresh Sorbet Creme
A cocktail that refreshes and quenches the skin for over forty-eight hours, with a mix of double hyaluronic acid, and mallow extracts from the gardens of the French maison.
3D Street in Bakel
It is a hi-tech patch enriched with hyaluronic acid. In contact with the moistened face it is able to provide immediate hydration to the deeper layers of the skin, enhancing the skin volume in just ten days of treatment.
Hyaluronic Ceramide Mist di Dermalogica
It is a moisturizing tonic with hyaluronic acid and ceramides inside: it moisturizes the skin, strengthens the skin barrier and smoothes the appearance of fine lines and wrinkles.
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