4 utilisations de l'aloe vera durant l'été.

Aloe vera: your summer ally.

The summer season often means heat, exposure to the sun's UV rays, swimming in salty and chlorinated waters... All of these factors can dry out the skin and even cause irritations. Thanks to its hydrating and soothing properties, aloe vera gel is a good ally for protecting the skin and hair during the summer.

1. Aloe vera for skin hydration.

Thealoe vera gelis derived from the mechanical pressing of aloe vera leaves or Aloe barbadensis. It is rich in polysaccharides, vitamins, trace elements, enzymes, and amino acids. In the summer, the sun is usually omnipresent. Even though it's pleasant to enjoy it, being constantly exposed can dry out the skin and hair.

When applied to the skin, the aloe vera gel, due to its composition of hydrophilic species, captures water molecules and retains them, thus ensuring good hydration of the skin's superficial layers. Indeed, the barrier function of the horny layer and its composition of non-viable cells, rich in proteins and intracellular lipid domains, prevent the aloe vera gel from penetrating deeply. It thus forms a film on the skin's surface that limits water evaporation. To rehydrate your skin after sun exposure, you can use pure aloe vera gel or a product containing it, like our hydrating gel.

2. Aloe vera for relieving sunburns.

Also known assolar erythema, sunburns are first-degree burns caused by overexposure to the sun's UVB rays. They cause redness, as well as pain and even itching. In the most severe cases, blisters can even appear. According to a study published in 2012, the biological process that occurs during theonset of a sunburn is of an inflammatory type. The sun's UVB rays damage microRNAs which, once released into the extracellular environment, stimulate pro-inflammatory cytokines. A chain reaction then triggers a sunburn on the skin surface.

When applied topically, directly onto a sunburn, the aloe vera gel provides a pleasant coolness that soothes the pain and itching caused by the burn. Moreover, it exerts a soothing and repairing activity by inhibiting certain inflammation mediators such as prostaglandin F2, through the degradation pathway of arachidonic acid by acting on cyclooxygenase. This, in turn, limits inflammation and concurrently alleviates pain.

3. Aloe vera for "hydrating" and strengthening the hair.

When applied to hair, the aloe vera gel retains water molecules, limiting their natural evaporation. Indeed, the polysaccharides (mannose-6-phosphate, aloeverose, acemannan) it contains present hydroxyl groups (-OH) that create a hydrophilic environment.

Furthermore, it also acts by forming a protective film on the surface of the hair fibers to maintain hydration and combat dryness. Pure aloe vera gel can be used as a mask to rehydrate the hair fibers and/or cleanse the scalp.

Depending on your needs, apply it to dry hair, from roots to ends, and let it sit for a few minutes before rinsing thoroughly with water. Aloe vera gel is also a component of many shampoos and conditioners, most often under the I.N.C.I. designation "Aloe Barbadensis Leaf Juice".

4. Aloe vera for soothing insect bites.

Aloe vera gel contains several antiseptic agents, including lupeol and cinnamic acid. These compounds help to alleviate mosquito bites and soothe itching.

Sources

  • CAMPOS M. & al. Evaluating the moisturizing effect of cosmetic formulations containing Aloe vera extract in varying concentrations using skin bioengineering techniques. Skin Research and Technology (2006).

  • HAMMAN J. H. Composition and applications of Aloe vera leaf gel. Molecules (2008).

  • MUKTAR H. & al. MicroRNAs in skin response to UV radiation. Current Drug Targets (2013).

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