Sarothamnus Scoparius 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 30, 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 Sarothamnus Scoparius Extract?

Sarothamnus Scoparius Extract is a plant-derived ingredient obtained from Scotch Broom, a hardy shrub that grows across Europe and parts of North America. The plant belongs to the legume family, and its bright yellow flowers have long been noted in folk traditions for their vivid color and aromatic qualities. Chemically, the extract is valued for its naturally occurring flavonoids and phenolic acids, both known for their ability to neutralize free radicals.

Historically, Scotch Broom was harvested for household dyes and herbal infusions. As research into plant antioxidants expanded in the late twentieth century, formulators began exploring the shrub’s potent compounds for skin care. Today the extract is produced by harvesting the whole plant, drying it, then immersing it in a solvent such as water or a mild alcohol to pull out the beneficial molecules. The liquid is filtered and concentrated until a stable cosmetic-grade extract is achieved.

You are most likely to spot Sarothamnus Scoparius Extract in products that aim to shield the skin from daily environmental stressors. It appears in lightweight serums, day creams, eye gels, after-sun lotions, masks and some color cosmetics marketed as protective or anti-aging.

Sarothamnus Scoparius Extract’s Cosmetic Benefits/Uses

This botanical is primarily added to formulas for one key reason, and that single job can make a noticeable difference in the overall performance of a product.

Antioxidant: By scavenging free radicals created by UV exposure and pollution, the extract helps slow the look of premature aging. Formulators use it to support collagen integrity, maintain a brighter skin tone and bolster the stability of other sensitive ingredients such as vitamins C and E.

Who Can Use Sarothamnus Scoparius Extract

Sarothamnus Scoparius Extract is generally considered friendly for all skin types, including dry, oily, combination and even sensitive skin because it does not add oil, fragrance or harsh exfoliating agents. Its lightweight antioxidant profile offers protection without clogging pores, making it a good choice for acne-prone users as well.

Because the extract is 100% plant derived and usually processed with vegetable-based solvents, it is suitable for vegans and vegetarians. No animal by-products are involved in its manufacture.

Current research shows no specific contraindications for pregnant or breastfeeding women when the extract is used topically at the low concentrations found in cosmetics. Still, this is not medical advice and anyone who is pregnant or nursing should run any skincare products past a qualified doctor just to be safe.

The ingredient is not known to cause photosensitivity, so it will not make skin more prone to sunburn. As with any antioxidant, partnering it with daily sunscreen further supports overall skin defense.

Potential Side Effects/Adverse Reactions

Responses to topical Sarothamnus Scoparius Extract differ from person to person. The issues listed below are only potential side effects and are unlikely to occur for most users when the ingredient is correctly formulated into a product.

  • Mild redness or stinging
  • Allergic contact dermatitis in individuals sensitive to legumes or specific plant phenols
  • Temporary yellow staining on very fair skin when used at high concentrations
  • Interaction with highly acidic formulas which can reduce the extract’s antioxidant activity

If any irritation or other negative reaction develops stop using the product and consult a dermatologist or healthcare professional.

Comedogenic Rating

Rating: 0 / 5

Sarothamnus Scoparius Extract is water based and contains virtually no lipids or heavy waxes that could block pores. Its primary molecules are small flavonoids and phenolic acids that rinse away cleanly and do not form an occlusive film on the skin. Because of this lightweight profile, the extract earns a solid zero on the comedogenic scale.

This makes it a good pick for anyone prone to acne or frequent breakouts.

One extra point to note is that the final comedogenicity of a product still depends on the full formula. If the extract is blended into an oily base the overall product could rank higher on the scale.

Summary

Sarothamnus Scoparius Extract serves mainly as an antioxidant that helps neutralize free radicals, support collagen and keep other delicate ingredients stable. It does this through its naturally occurring flavonoids and phenolic acids which donate electrons to roaming radicals before they can damage skin cells.

The ingredient is not wildly famous yet but its use is growing as formulators look for gentle plant sourced antioxidants that suit sensitive skin. You will see it pop up most often in protective serums and day creams.

Safety data so far shows it performs well with a low risk of irritation, making it a comfortable choice for most users. As with any new skincare item, patch testing is a smart step when first trying a product that contains the extract.

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