Ocimum Basilicum Root 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 Ocimum Basilicum Root Extract?

Ocimum Basilicum Root Extract comes from the roots of the basil plant, the same herb that flavors many dishes around the world. While the leaves are well known in the kitchen, the roots contain a mix of natural sugars, antioxidants, and mild acids that can help skin look and feel smoother. Traditional herbal practices in parts of Asia and the Mediterranean once relied on crushed basil roots to calm minor skin discomfort. Modern cosmetic chemists took note of these soothing properties in the late 20th century and began refining the root into a stable liquid or powder form for skin care formulas.

The process starts with harvesting mature basil plants. After the leaves are removed for culinary or essential oil use, the roots are carefully cleaned, dried, and then soaked in a gentle solvent such as water or a plant-based alcohol. This pulls out the beneficial compounds. The mixture is filtered to remove solids, and the solvent is evaporated or swapped out for glycerin so the final extract is easy to blend into creams, serums, masks, and scalp treatments. Because it is plant derived and mild, you will often see it in moisturizers, anti-aging products, after-sun gels, and soothing sheet masks.

Ocimum Basilicum Root Extract’s Cosmetic Benefits/Uses

In skin care formulas Ocimum Basilicum Root Extract serves one main purpose.

As a skin-conditioning ingredient it helps soften the surface of the skin, supports a healthier moisture balance, and can leave the complexion feeling calm and refreshed after application.

Who Can Use Ocimum Basilicum Root Extract

Because it is a gentle plant-derived skin conditioner, Ocimum Basilicum Root Extract is generally suitable for all skin types including dry, normal, oily, sensitive or mature skin. Its light texture and low oil content mean it will not weigh down oily or combination skin, while its soothing elements can feel comforting on easily irritated complexions. The only group who may need extra caution are people with known allergies to basil or other members of the mint family since a pre-existing sensitivity could trigger redness or itching.

The extract is obtained entirely from basil roots using solvents such as water or plant alcohols and no animal derivatives are introduced during processing, so it aligns with vegan and vegetarian lifestyles.

No data suggest that topical use poses a risk to pregnant or breastfeeding women when included at normal cosmetic levels. That said, this information is not medical advice and anyone who is expecting or nursing should consult a healthcare professional before adding new products to a routine.

Ocimum Basilicum Root Extract does not increase photosensitivity and can be worn safely during daytime use alongside sunscreen. It also plays well with most other common skincare actives, making it easy to layer in a routine.

Potential Side Effects/Adverse Reactions

Individual responses to Ocimum Basilicum Root Extract can vary. The following list outlines potential but uncommon side effects when the ingredient is applied topically in cosmetics. When formulated and used as intended most people will not experience these issues.

  • Localized redness or itching – may occur in consumers with an existing basil or mint family allergy
  • Mild stinging on very compromised skin – open cuts or severe eczema can allow even gentle plant acids to cause discomfort
  • Contact dermatitis – rare cases of rash or swelling have been documented with basil leaf exposure and could theoretically extend to the root extract
  • Eye irritation – accidental contact can result in watering or burning sensations until thoroughly rinsed out

If any of these reactions develop discontinue use immediately and seek guidance from a healthcare professional.

Comedogenic Rating

Rating: 0 out of 5

Ocimum Basilicum Root Extract is water based and contains almost no oils or waxes that could clog pores, so it earns a solid 0 on the comedogenic scale. This makes it friendly for skin that breaks out easily. Because the extract is usually added at low levels and is paired with lightweight carriers, it is unlikely to build up inside pores. Keep in mind that the overall formula matters too; if the product also includes heavier oils the finished item could still feel greasy.

Summary

Ocimum Basilicum Root Extract is mainly a skin-conditioning agent that helps soften, soothe and support moisture balance. It does this through natural sugars that bind water to the skin and mild antioxidants that calm the surface. While not as famous as aloe or chamomile, the extract is showing up more often in modern moisturizers, masks and after-sun gels thanks to its gentle nature and plant origin.

Current research and consumer feedback point to a very safe profile with only rare reactions tied to basil allergies. As with any new skincare ingredient it is wise to do a quick patch test when first trying a product that features it, especially if you have sensitive skin.

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