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Hydration and nutrition


The terms 'hydration' and 'nutrition' are often confused.

Hydration is measured by the amount of water present in the skin.

All skin types (dry, normal, combination, oily) need hydration. Water, which makes up 70% of the skin, is stored in the skin's dermis. It circulates through channels (aquaporins) to the upper layer of the epidermis, also called the horny layer. The stratum corneum acts as a barrier to protect the skin. When damaged, the water that's present in the dermis gradually evaporates. This phenomenon is called Insensible Water Loss. (IWL)

The lack of hydration is perceptible by a lack of radiance and a temporary tightening of the skin in localized areas.

Nutrition is measured by the number of lipids present in the skin. Like all skin types, dry skin also needs hydration.

Lipids (or sebum) form, together with water, the skin's hydrolipidic film. When it is weakened, sebum production decreases and it no longer plays its role as a barrier function. The skin becomes more fragile and dries out easier.

The lack of nutrition is perceptible by a constant feeling of tightness, redness, and other skin problems (like desquamation, cracks, grooves).
Hydration and nutrition also affect the hair. Hair can lack moisture and/or nutrition in the same way as the skin does.

Lack of skin hydration can be caused by climate. Wind, cold weather, exposure to UV rays or pollution all contribute to the weakening of the hydrolipidic barrier and water evaporation.

Alcohol and cigarette consumption dehydrates the skin as well. Skin and hair suffer from this lack of essential moisture.

If you're stressed or tired, your body may also feel a lack of moisture.
Some medical treatments contribute to dehydration. Some skin diseases (atopic, eczema, psoriasis) and some medical treatments dry out the skin.

Lastly, cosmetics with ingredients that are too aggressive or synthetic can accentuate the lack of moisture in the skin. To keep your skin hydrated, we recommend that you find a natural moisturising daily skincare product that's adapted to your unique needs and skin type. It's also important to make sure that the ingredients in your skincare products don't over sensitize your skin (Read our article: Understanding a list of ingredients.)

It's important to wear suitable sun protection and to protect your face and body as much as possible from the winter weather. At home, try to keep humidity to a minimum and not overheat your house in winter.

Hyaluronic acid is an active ingredient that hydrates and plumps the skin to restore its suppleness. In addition to moisturising, hyaluronic acid helps to retain water in the skin.

Pro-vitamin B5 repairs the damaged skin and reduces its water loss. It soothes the skin while hydrating it. For care, you can use natural cosmetics with nourishing properties. Make sure that the list of ingredients doesn't contain any questionable elements. (Read our Formulation blacklist.)

We advise you to use non-aggressive, fragrance-free hygiene products. When taking showers or baths, we recommend that you avoid water that's too hot and too aggressive for your sensitive skin.
It's important to wear suitable sun protection and to protect your face and body as much as possible from the winter weather.
At home, try to keep the humidity level as low as possible and not to overheat in winter.

Nourishing active ingredients :

Squalane is an active ingredient extracted from olive oil. It protects and repairs the skin's protective hydrolipidic barrier and the hair.