Perilla Ocymoides Seed Extract

Perilla Ocymoides Seed Extract is a nutrient-dense botanical oil and antioxidant powerhouse rich in omega-3 fatty acids. It primarily serves to calm inflammatory responses, reinforce the skin’s moisture barrier, and protect against oxidative damage from UV exposure.

INCI Name:

Perilla Ocymoides Seed Extract

Chemical/Scientific Name:

Perilla Frutescens Seed Extract; Perilla Ocymoides L. Seed Oil

Common Aliases:

Shiso Extract, Japanese Basil Extract, Chinese Basil, Beefsteak Plant Extract

Category:	Antioxidants
Source Origin:	Plant-based (Seeds of the Perilla plant)
Comedogenic Rating:	1
Primary Industries:	Cosmetics, Dermatology, Nutraceuticals
Solubility:	Oil-soluble

At a Glance: Properties & Effects

Soothing/Calming:
Hydration/Moisture:
Barrier Repair:
Irritation Risk:

Primary Benefits:

• Suppresses pro-inflammatory cytokines to reduce skin redness and sensitivity.
• Provides high levels of alpha-linolenic acid to support the lipid bilayer.
• Neutralizes free radicals generated by environmental pollution and UV radiation.
• Helps alleviate symptoms of atopic dermatitis and chronic dryness.

Potential Risks:

• Minimal risk of contact dermatitis in individuals with specific botanical allergies to the Lamiaceae family.
• Oxidative instability if the formula lacks adequate stabilization.

Biological Action & Cosmetic Profile

High concentrations of alpha-linolenic acid (ALA) define the primary therapeutic value of Perilla Ocymoides Seed Extract. As an essential omega-3 fatty acid, ALA is integral to the maintenance of the stratum corneum’s structural integrity. When applied topically, these lipids integrate into the intercellular matrix, preventing transepidermal water loss (TEWL) and restoring flexibility to compromised skin. This profile is often supplemented by naturally occurring Linoleic Acid and Oleic Acid, which facilitate the delivery of other active compounds deep into the epidermis.Rosmarinic acid, a potent polyphenol found within the seeds, provides the biological basis for the extract’s anti-inflammatory properties. Peer-reviewed research indicates that rosmarinic acid inhibits the activity of inflammatory mediators such as TNF-alpha and various interleukins. This makes the extract particularly effective for reactive skin types or those suffering from inflammatory conditions like eczema. Furthermore, the presence of luteolin offers significant antioxidant protection, scavenging reactive oxygen species (ROS) before they can degrade collagen and elastin fibers.Skin barrier enhancement occurs through a dual mechanism of lipid replenishment and enzymatic regulation. By providing the building blocks for ceramides, the extract strengthens the “bricks and mortar” of the skin. Formulations utilizing this botanical often include Tocopherol to protect the volatile fatty acids from oxidation, ensuring that the extract remains biologically active upon application.

Broader Applications & Origins

Native to East Asia, the Perilla frutescens plant has a long history in traditional medicine and culinary practices, where it is known as Shiso. In the cosmetic industry, the seed extract is favored over the leaf extract for its superior lipid profile, though both contain rosmarinic acid. Modern extraction methods, including cold-pressing and CO2 extraction, are utilized to preserve the delicate polyunsaturated fatty acids that are prone to thermal degradation.

Routine Integration

Synergies:

• Barrier Recovery: Works exceptionally well when combined with Ceramide Np and Squalane to mimic the natural skin barrier.
• Soothing: Pairs effectively with Panthenol and Allantoin for post-procedure or highly sensitive skin.
• Antioxidant Boost: Often found alongside Rosmarinus Officinalis Leaf Extract to stabilize the oil and provide a broader spectrum of radical protection.

Conflicts:

• No known contraindications with common actives; universally safe for use with retinoids, acids, and vitamin C.

Clinical Consensus & Safety

Dermatological evaluations conducted by the Cosmetic Ingredient Review (CIR) and European regulatory bodies classify Perilla Ocymoides Seed Extract as safe for cosmetic use in current practices. Clinical studies published in journals such as the Journal of Oleo Science emphasize its low potential for irritation and high biocompatibility with the skin’s natural sebum. It is considered non-comedogenic and is frequently recommended as a “dry oil” for those who require lipid replenishment without a heavy, greasy residue.

Is Perilla Ocymoides Seed Extract suitable for acne-prone skin?

Yes. Because it has a low comedogenic rating and contains high levels of linolenic acid, it can help balance the sebum profile of acne-prone individuals, who often lack sufficient linolenic acid in their natural skin oils.

How does it differ from Rosehip Oil?

While both are high in essential fatty acids, Perilla seed extract typically contains a significantly higher percentage of alpha-linolenic acid (omega-3) and specific polyphenols like rosmarinic acid, making it more specialized for anti-inflammatory and soothing applications.

Can it be used during pregnancy?

There are no known contraindications for the topical use of this botanical extract during pregnancy or breastfeeding, as it is a non-toxic, plant-based lipid.