Alaria Esculenta Extract is a cosmetic ingredient derived from a brown seaweed, commonly known as Alaria Esculenta, which grows in the cold waters of the North Atlantic. Rich in antioxidants, vitamins, minerals, and essential fatty acids, this extract is prized for its anti-inflammatory, moisturizing, and anti-aging properties. It is widely used in skincare products to enhance elasticity, promote hydration, and protect against environmental damage.
Chemical Composition and Structure
Alaria Esculenta Extract contains a wide range of beneficial nutrients for the skin, including polyphenols, omega-3, 6, and 9 fatty acids, minerals such as calcium, magnesium, and iodine, and vitamins (especially vitamin E). These components help improve the skin barrier function, reduce inflammation, and provide antioxidant effects that protect against free radicals.
The name describes the structure of the molecule:
- "Alaria" refers to the genus of marine seaweeds.
- "Esculenta" is derived from Latin and means "edible", indicating that this species of seaweed is edible.
- "Extract" indicates that the product is an extract derived from Alaria Esculenta.
Description of raw materials used in production.
- Alaria Esculenta (Winged Kelp). This is a brown seaweed that predominantly grows in the cold regions of the North Atlantic.
- Solvents. Utilized to facilitate the extraction of active compounds from the seaweed.
- Water. Often used as the primary solvent in the extraction process.
Production Process
The extract is obtained through cold extraction or solvent extraction techniques, preserving the nutrients and active benefits of the seaweed. This process ensures that the moisturizing and antioxidant properties remain intact.
- Seaweed collection. Alaria Esculenta is harvested manually or through mechanical methods from cold waters.
- Cleaning and preparation. The seaweed is cleaned and prepared for extraction, removing salt, sand, and other impurities.
- Extraction. The seaweed undergoes an extraction process, often through water or specific solvent extraction methods, to obtain nutrient-rich extracts.
- Filtration. The extracted liquid is filtered to remove impurities and solid particles.
- Concentration. The filtrate is then concentrated under vacuum to remove the solvent and obtain a more concentrated extract.
- Drying. The concentrated extract is dried, often through spray-drying, to obtain a powder extract.
Physical Properties
The extract of Alaria Esculenta is available as a liquid or powder, depending on the preparation, and is soluble in water and glycerin. It ranges in color from light brown to green and is typically used in low concentrations in cosmetic formulations. It is an easily incorporable ingredient in creams, lotions, and serums.
What it is for and where
Food
Alaria Esculenta which is among the most widely cultivated seaweeds in Europe, characterized by their ability to achieve high biomass yield, has demonstrated high nutritional value (1).
Medical
Florotannins detected by phytochemical analysis of Alaria Esculenta, an edible brown seaweed, may have a potential protective function against UV radiation damage (2).
Cosmetic Applications
Skincare: Used in anti-aging creams, lotions, and serums to enhance skin elasticity, hydration, and protection from environmental stress. Its antioxidant properties help prevent premature skin aging.
Hair Care: Found in shampoos and conditioners, it nourishes the scalp and strengthens the hair, thanks to its rich mineral and essential fatty acid content.
Sun Care Products: Employed in sun care formulations for its ability to protect against UV-induced damage and oxidative stress.
Hair conditioning agent. A significant number of ingredients with specific and targeted purposes may co-exist in hair shampoo formulations: cleansers, conditioners, thickeners, matting agents, sequestering agents, fragrances, preservatives, special additives. However, the indispensable ingredients are the cleansers and conditioners as they are necessary and sufficient for hair cleansing and manageability. The others act as commercial and non-essential auxiliaries such as: appearance, fragrance, colouring, etc. Hair conditioning agents have the task of increasing shine, manageability and volume, and reducing static electricity, especially after treatments such as colouring, ironing, waving, drying and brushing. They are, in practice, dispersants that may contain cationic surfactants, thickeners, emollients, polymers. The typology of hair conditioning agents includes: intensive conditioners, instant conditioners, thickening conditioners, drying conditioners. They can perform their task generally accompanied by other different ingredients.
Skin protectant. It creates a protective barrier on the skin to defend it from harmful substances, irritants, allergens, pathogens that can cause various inflammatory conditions. These products can also improve the natural skin barrier and in most cases more than one is needed to achieve an effective result.
Commercial Applications
Cosmetics. Alaria Esculenta extract is commonly used in skincare products for its antioxidant, moisturizing, and anti-aging properties. It helps reduce wrinkles and improve skin elasticity.
Hair Products. Incorporated into hair products to provide nourishment and strengthening.
Dietary Supplements. Sometimes used in supplements due to its high mineral and vitamin content.
Medical Applications
Anti-inflammatory. It may possess anti-inflammatory properties, making it beneficial for topical treatments of skin disorders.
Detoxifying. Used in treatments that aim to purify and detoxify the skin.
Health and Safety Considerations
Safety in Use
Alaria Esculenta Extract is considered safe for use in cosmetic products. It is well-tolerated by the skin and does not cause irritation or sensitization when used at recommended concentrations.
Allergic Reactions
Allergic reactions to this ingredient are rare, but as with any natural ingredient, individuals with particularly sensitive skin may experience mild skin reactions.
Toxicity and Carcinogenicity
It has been widely evaluated for cosmetic use and is considered safe by regulatory authorities.
Environmental Considerations
Alaria Esculenta is a renewable and sustainable resource. The harvesting and production of the extract are generally considered eco-friendly, as seaweed is cultivated responsibly and the extraction process has a low environmental impact.
Regulatory Status
Alaria Esculenta Extract is approved for use in cosmetics by major regulatory authorities, including the European Union and the Food and Drug Administration (FDA) in the United States.
References_____________________________________________________________________
(1) Stévant, P., Marfaing, H., Rustad, T., Sandbakken, I., Fleurence, J., & Chapman, A. (2017). Nutritional value of the kelps Alaria esculenta and Saccharina latissima and effects of short-term storage on biomass quality. Journal of applied phycology, 29, 2417-2426.
Abstract. Storage of macroalgae in seawater, prior to further processing, is a standard initial pre-treatment step after harvest to avoid rapid degradation of the biomass. In the context of using seaweeds in human food and animal feed products, such practice may affect the nutritional value and the overall quality of the biomass. The effects of seawater storage on the chemical composition (i.e., mineral fraction, carbohydrates, proteins, polyphenols, and fucoxanthin) and surface color of two cultivated kelps (Phaeophyceae), Alaria esculenta and Saccharina latissima, were investigated over a 22-h period. Storage treatments resulted in a rapid decrease in dry weight during the first 2 h (−21.4 and −20.4% in A. esculenta and S. latissima, respectively) with subsequent stabilization. Although it is not clear whether the reduction of dry weight was caused by the release of nutritional compounds from seaweed biomass or water uptake during storage treatment, the results from chemical analyses suggest the combined effect of both mechanisms. Seawater storage increased the ash and sodium contents and reduced carbohydrate and polyphenol levels in both species. Among carbohydrates, the levels of mannitol and glucose (laminaran) were particularly reduced in S. latissima samples while the fucose level, reflecting fucoidans, was reduced in A. esculenta. The protein content remained relatively stable in both species. These results provide evidence of the effect of seawater storage on the quality of the edible kelps A. esculenta and S. latissima. The results will contribute to selecting postharvest strategies adequate for maintaining biomass quality, minimizing losses of valuable compounds and increasing profitability for industrial stakeholders.
(2) Steinhoff FS, Graeve M, Bartoszek K, Bischof K, Wiencke C. Phlorotannin production and lipid oxidation as a potential protective function against high photosynthetically active and UV radiation in gametophytes of Alaria esculenta (Alariales, Phaeophyceae). Photochem Photobiol. 2012 Jan-Feb;88(1):46-57. doi: 10.1111/j.1751-1097.2011.01004.x.
Alaria Esculenta Extract 
Alaria Esculenta
