Perilla Ocymoides Leaf Extract serves as a high-potency botanical antioxidant and anti-inflammatory agent derived from the Shiso plant. It is particularly valued in sensitive skin formulations for its ability to suppress allergic responses and neutralize reactive oxygen species.
- INCI Name:
- Perilla Ocymoides Leaf Extract
- Chemical/Scientific Name:
- Perilla ocymoides L. Leaf Extract
- Common Aliases:
- Shiso Leaf Extract, Japanese Basil Extract, Beefsteak Plant Extract
| Category: | Antioxidants |
| Source Origin: | Botanical (Lamiaceae family) |
| Comedogenic Rating: | 0 |
| Primary Industries: | Skincare, Haircare, Traditional Medicine |
| Solubility: | Water-soluble (aqueous/glycerin extracts) |
At a Glance: Properties & Effects
| Soothing/Calming: | |
| Antioxidant: | |
| Barrier Repair: | |
| Irritation Risk: |
Primary Benefits:
- Potent scavenging of free radicals via high polyphenolic content.
- Reduction of pro-inflammatory cytokines, making it suitable for atopic dermatitis.
- Natural antimicrobial properties that assist in maintaining a balanced skin microbiome.
- Rich source of rosmarinic acid, which protects skin cells from UV-induced oxidative damage.
Potential Risks:
- Potential for botanical contact allergy in individuals sensitive to the Lamiaceae (mint) family.
Biological Action & Cosmetic Profile
Commonly referred to as Shiso in Japanese tradition, this botanical extract contains a complex profile of bio-active secondary metabolites. The most prominent constituent is rosmarinic acid, a polyphenol that exhibits higher antioxidant activity than vitamin E in certain lipid peroxidation assays. By inhibiting the activity of hyaluronidase and lipoxygenase, the extract effectively dampens the inflammatory cascade that leads to redness and itching.Molecular investigations published in PubMed highlight the extract’s ability to inhibit immunoglobulin E (IgE)-mediated allergic responses. This mechanism is particularly beneficial for hyper-reactive skin types, as it helps stabilize mast cells and prevents the release of histamine. Furthermore, the presence of luteolin and apigenin provides significant vasoprotective effects, helping to reduce the appearance of micro-inflammation and flushed skin.Aqueous versions of the extract are typically stabilized in a base of Glycerin or Butylene Glycol to ensure the bioavailability of the water-soluble polyphenols. Topical application reinforces the skin’s natural defenses against environmental stressors, particularly urban pollution and heavy metal exposure, which are known to deplete the skin’s endogenous antioxidant reservoir.
Broader Applications & Origins
Traditional Asian medicine has utilized Perilla for centuries to treat respiratory and inflammatory conditions. In the modern cosmetic industry, the leaves are harvested and processed via cold extraction or ultrasonic-assisted extraction to preserve the heat-sensitive antioxidants. While primarily used in facial serums and calming creams, it also appears in scalp treatments to soothe irritation and reduce dandruff-related flaking.
Routine Integration
Synergies:
- Barrier Support: Pairs exceptionally well with Panthenol and Allantoin to accelerate skin recovery.
- Antioxidant Boost: Works synergistically with Tocopherol and Rosmarinus Officinalis Leaf Extract to provide a broad spectrum of protection against ROS.
- Redness Control: Often formulated alongside Niacinamide and Scutellaria Baicalensis Root Extract for comprehensive anti-inflammatory benefits.
Conflicts:
- No known chemical conflicts; compatible with most active substances, including retinoids and alpha-hydroxy acids.
Clinical Consensus & Safety
Dermatological safety assessments classify this leaf extract as a non-irritant and non-sensitizer for the general population. The European Commission’s CosIng database recognizes its function as a skin-conditioning and masking agent. While the Cosmetic Ingredient Review (CIR) often groups botanical extracts by family, the widespread use of Perilla in food (as a culinary herb) reinforces its low toxicity profile. Clinical studies focusing on atopic dermatitis have demonstrated that topical application significantly improves transepidermal water loss (TEWL) and reduces pruritus without the adverse effects associated with topical corticosteroids.
Is Perilla Ocymoides Leaf Extract good for acne-prone skin?
Yes. Due to its antimicrobial properties and ability to soothe inflammation, it can help reduce the redness and swelling associated with acne lesions without clogging pores.
Can this ingredient help with hyperpigmentation?
While not a primary whitening agent like Ascorbic Acid, the extract contains polyphenols that can inhibit tyrosinase activity to a moderate degree, helping to prevent UV-induced pigment darkening.
Is it safe for use during pregnancy?
There are no known contraindications for the topical use of Shiso leaf extract during pregnancy; however, consulting a physician for individual concerns regarding botanical extracts is always recommended.