Dunaliella Bardawil Extract: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 27, 2025
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We verify all information on this page using publicly available nomenclature standards from The Personal Care Products Council (PCPC), the European Commission's CosIng database and documentation provided directly by ingredient manufacturers. Our analysis is based on technical data from these sources to ensure accuracy and reliability.

What Is Dunaliella Bardawil Extract?

Dunaliella Bardawil Extract is derived from the micro-algae Dunaliella bardawil, a hardy species that thrives in extremely salty lakes. The algae accumulate high levels of protective nutrients such as beta-carotene, other carotenoids, glycerol, amino acids and trace minerals, giving the extract both moisturizing and antioxidant appeal. First explored in the 1970s for its rich beta-carotene content as a dietary supplement, the algae later caught the attention of cosmetic formulators seeking plant based ingredients that hydrate and help defend skin against environmental stress.

To obtain the extract, the algae are grown in controlled saltwater ponds, allowing sunlight to stimulate carotenoid production. After harvesting, the cells are gently disrupted and the valuable compounds are pulled out using food-grade solvents or supercritical CO2. The extract is then filtered, purified and stabilized so it can be blended smoothly into skincare formulas.

You will most often see Dunaliella Bardawil Extract in hydrating serums, anti aging creams, sheet and rinse-off masks, soothing after-sun products, eye treatments and everyday moisturizers where a boost of natural humectancy and antioxidant support is desired.

Dunaliella Bardawil Extract’s Cosmetic Benefits/Uses

In skincare, this algae-derived ingredient serves two main roles that translate into noticeable perks for the skin:

  • Humectant: It attracts and binds water to the skin surface, helping to maintain comfortable moisture levels and leaving skin feeling plump and smooth
  • Skin Conditioning: The mix of carotenoids and nutrients helps soften the skin, improve overall texture and provide a protective veil that can reduce the appearance of dryness related fine lines

Who Can Use Dunaliella Bardawil Extract

Dunaliella Bardawil Extract is generally suitable for all skin types. Dry and mature skin benefit from its water-binding ability, while sensitive or compromised skin usually tolerates it well thanks to its gentle, non-acidic nature. Oily and acne-prone complexions can also use it because it has a very low oil content and does not clog pores. Only those with a known allergy to algae or seaweed derivatives may need to avoid it.

The ingredient is sourced from micro-algae grown in controlled ponds, with no animal derivatives involved, so it is considered vegan and vegetarian friendly.

Current data show no specific risks for pregnant or breastfeeding women when the extract is used topically. Still, this is not medical advice and anyone who is pregnant or nursing should run any skincare product past a qualified doctor just to be safe.

Dunaliella Bardawil Extract does not make skin more sensitive to sunlight. In fact, its natural carotenoids offer mild antioxidant support that can complement daily sunscreen use.

Potential Side Effects/Adverse Reactions

Side effects and reactions to the topical application of Dunaliella Bardawil Extract can vary from person to person. The following is a list of potential side effects, though most users will not experience any negative effects when the ingredient is formulated and used correctly.

  • Mild redness or stinging on very sensitive skin
  • Itching or irritation in individuals allergic to algae or seaweed extracts
  • Temporary yellow-orange tint if extremely high concentrations are left on very fair skin
  • Rare cases of contact dermatitis presenting as small rash-like bumps

If any uncomfortable reaction occurs discontinue use and seek advice from a healthcare professional or dermatologist.

Comedogenic Rating

Rating: 0

Dunaliella Bardawil Extract is water based, contains very little oil and is used at low levels in formulas, which means it does not linger in pores or create a film that can trap sebum. No published data link it to blocked pores or breakouts, so it earns a solid 0 on the comedogenic scale.

Suitable for acne-prone or congested skin.

As with any ingredient, the final product’s full recipe matters – heavy oils, waxes or fragrances paired with the extract could still trigger pimples even if the extract itself is non-comedogenic.

Summary

Dunaliella Bardawil Extract mainly acts as a humectant and skin-conditioning agent. Its natural glycerol pulls water toward the skin while beta-carotene and other nutrients help smooth texture and defend against daily stress. Together these actions leave skin feeling hydrated, supple and comfortable.

The algae extract is not yet a household name like hyaluronic acid, but its clean, plant-origin story and gentle performance are gaining fans among brands that focus on minimalist or reef-friendly formulas.

Overall safety is high: it is non-comedogenic, vegan, fragrance free and rarely irritating. Still, every skin is different, so it is smart to patch test any new product that contains Dunaliella Bardawil Extract before applying it to the whole face.

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