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Mode d'obtention hydrolat de verveine citronnée.

How is a lemon verbena hydrosol made?

Lemon verbena hydrosol is a natural extract derived from the flowers of the plant. Its fruity fragrance and beneficial properties make it a key ingredient in various perfumes and cosmetic products. In this article, we will explore how lemon verbena water is obtained.

A few words on lemon verbena hydrosol.

The Lemon Verbena is a perennial shrub plant from the Verbenaceae family, flourishing under the sun, between 68 and 104°F. It was named "tears of Isis" by the Egyptians, as it is said to have grown from the tears shed by the funerary goddess Isis upon learning of the death of her husband Osiris. Lemon Verbena is a plant with a fresh and pleasant scent that was long used in the creation of love potions. Its use has since been extended to culinary, therapeutic, and cosmetic fields.

Lemon verbena hydrosol, also known as lemon verbena floral water, presents itself in the form of a colorless liquid, sometimes slightly opalescent. It is a natural ingredient used in the production of various skin and hair care products. It should be noted that lemon verbena hydrosol could potentially pose a photosensitizing risk. For this reason, it is preferable not to use it before sun exposure and to apply a sunscreen in a thick layer in the following days.

Lemon verbena floral water is attributed with numerous properties, among which are anti-inflammatory and anti-microbial virtues. Indeed, it contains several active ingredients that have a detrimental effect on bacteria, including geranial and eucalyptol. Others help to alleviate pain and facilitate the healing of minor wounds. Finally, lemon verbena hydrosol is known to have a complexion-unifying action and to give a healthy glow effect.

The manufacturing process of lemon verbena hydrosol.

The lemon verbena hydrosol is obtained through a process of steam distillation (hydrodistillation) of the flowering tops. Here is how this process unfolds step by step:

  1. After being harvested and dried, the lemon verbena flowers are placed in a still connected to a boiler, in which steam is produced;

  2. This steam is then directed into the distiller containing the flowers. The increase in temperature triggers the release of the essential oil they contain. The temperature inside the distiller must be slightly above 76°C, which is the flash point of lemon verbena essential oil. Beyond this temperature, it begins to evaporate, allowing the steam to become enriched with the essential oil;

  3. The water vapor, carrying the essential oil, is then cooled in a coil immersed in a refrigerant bath. This change in temperature liquefies the vapor ;

  4. The floral water and essential oil, of different densities, are then separated in a separator. The lower phase is composed of water lightly charged with essential oil, this is lemon verbena hydrosol. The pure essential oil, less dense than water, makes up the upper phase of the liquid.

The lemon verbena hydrosol obtained contains several active ingredients, including linalool, nerol, α-terpineol, geranial, and geraniol. Hydrosols are generally quite delicate, and certain precautions must be taken regarding their preservation. They are highly sensitive to light and heat, as well as oxidation and microbial infections.

To maintain the properties of lemon verbena hydrosol, it is recommended to store it in a dry and cool place, protected from heat, moisture, and light. Therefore, we advise you to keep it in an amber bottle, in the refrigerator, combining darkness, coolness, and limiting the growth of bacteria. After opening, the lemon verbena hydrosol should be used within six months thereafter.

Discover Typology's radiance mask with lemon verbena floral water.

We have incorporated thelemon verbena hydrosol (INCI: Lippia Citriodora Leaf Water) derived from hydrodistillation of flowers from South America (Peru, Chile, Argentina) into our radiance mask. This treatment is also enriched with organic turmeric (INCI: Curcuma Longa Root Extract) and helps to revive the skin's radiance, while fighting against its natural photoaging. This mask-treatment evens out the complexion and also has a "purifying" action thanks to the yellow clay (INCI: Kaolin) it contains. After rinsing, it leaves the skin comfortable and nourished, particularly due to the presence of organic mango butter (INCI: Mangifera Indica Seed Butter) in its composition.

Source

  • CANAC P. & al. Traité d'aromathérapie scientifique et médicale, les hydrolats (1ère édition). Paris : Édition Sang de la Terre (2018).

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