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Mode de fabrication huile végétale d'hibiscus.

How is hibiscus oil made?

The vegetable oil of hibiscus is a choice ingredient possessing numerous virtues. For this reason, it is commonly used in cosmetics, and is included in the composition of many skin and hair care products. Hibiscus oil is obtained from the seeds of the plant through an extraction mechanism that we invite you to discover here.

Hibiscus Vegetable Oil: What is it?

Thehibiscus oil (INCI name: Hibiscus Sabdariffa Seed Oil) is a botanical extract with numerous benefits for the skin and hair. This golden-yellow active ingredient has a light and sweet scent, subtly reminiscent of its flowers, and penetrates the skin quite easily. It is a fatty substance whose composition is enriched with fatty acids (omega-6, omega-9, palmitic acid), but also with vitamin E.

These active ingredients give thehibiscus vegetable oil several beneficial properties for the skin, it is notably nourishing. The linoleic acid it is enriched with indeed plays a role in the synthesis process of ceramides, lipids that ensure good cohesion between the cells of the epidermis. Hibiscus oil also has antioxidant properties, which are interesting for preventing the appearance of wrinkles and fine lines, and anti-inflammatoryproperties. It has been used for several centuries in North Africa to relieve certain wounds and abscesses.

This vegetable oil is extracted from the seeds of the hibiscus, a plant that blooms in the fall and whose flowers are highly valued for their aesthetic potential. Botanically, hibiscus belongs to the Malvaceae family and is predominantly cultivated in North Africa, India, and Mexico.

How is hibiscus vegetable oil obtained?

The production of hibiscus oil begins with the harvesting of the plant's seeds. These are contained within the flowers and are protected by a shell. The seeds are small in size, with a width ranging between 3 and 4 millimeters.

Once these are harvested, they are cleaned to remove any impurities that might be attached to their surface. For this, a cleaner-separator, acting as a filter, or a sieve can be used. The seeds are then mechanically pressed to extract the oil, using a traditional process.

We refer tocold pressing,because the seed is not heated before extraction. The temperature is rigorously monitored throughout the process. Indeed, a temperature that is too high can oxidize and degrade the oil. In the context of cold pressing, a screw press is used to push the seed into a barrel-shaped cavity. The screw compresses the seed and the oil comes out through the openings, while the pressing residues (cake) remain in the barrel.

Once the oil is extracted from the seeds, it must be decanted and filtered. The goal is to rid it of any remaining impurities to achieve a superior quality oil. The decanting process takes several weeks to eliminate the larger particles. The filtering then completes this process. These steps do not require any chemical treatment. Thus, hibiscus vegetable oil is an ingredient of exclusively natural origin.

Let's note that this process leads to the production of virgin hibiscus vegetable oil. There are other extraction techniques such as solvent extraction, typically used in the food industry and involving hexane. The hibiscus oil used in Typology skincare products is exclusively virgin and has not undergone any chemical treatment.

In which Typology skincare product is the hibiscus vegetable oil present?

Hibiscus oil is a key ingredient in a Typology skincare product. Sourced from Mali, it is obtained through the traditional method of cold pressing. Our botanical firming blend is enriched with 7 botanical extracts, including thehibiscus vegetable oil. This serum is applied in the evening, and works to tone and regenerate the skin overnight. Its formula, rich in firming active ingredients, helps to reduce wrinkles and fine lines while firming the skin. Suitable for all skin types, this oily-textured night serum does contain essential oils, and therefore should not be used by pregnant or breastfeeding women, or by children under 6 years old.

Source

  • HASSANEIN M. & al. Evaluation of green extraction methods on the chemical and nutritional aspects of roselle seed (Hibiscus sabdariffa L.) oil. Lipids and Health (2019).

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