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TORREYA NUCIFERA EXTRACT.

Valuable CAS - / SKIN CONDITIONING

Torreya Nucifera Extract is a multi-functional botanical ingredient derived from the Japanese Torreya tree, recognized for its comprehensive benefits spanning anti-inflammatory, antibacterial, antioxidant, and skin brightening properties. Its diverse pharmacological actions make it a potent addition for targeting various skin concerns, from acne to hyperpigmentation.

Summary

Antibacterial Anti-inflammatory Antioxidant Skin Brightening

Science

Mechanism of Action

This extract operates through multiple pathways to improve skin health. It exhibits potent antibacterial action by disrupting the membrane integrity of various skin pathogens, including Propionibacterium acnes, P. granulosum, Malassezia furfur, and Staphylococcus epidermidis, attributed to compounds like alpha-pinene and limonene. As an anti-inflammatory agent, it significantly reduces the secretion of pro-inflammatory cytokines (interleukin-1β, IL-6), nitric oxide (NO), and prostaglandin E2 (PGE2), alongside inhibiting the phosphorylation of p38 mitogen-activated protein kinase (MAPK) and c-Jun N-terminal kinase (JNK). Additionally, it offers antioxidant protection and delivers anti-melanogenic effects by reducing melanin content and cellular tyrosinase activity.

Research

Clinical Evidence

High confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

No specific data on 'dusting' or typical market inclusion percentages were available to assess this.

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

While an optimal pH range for stability is not yet precisely defined, the presence of both hot-water soluble components (from extracts) and oil-soluble essential oil components indicates a versatile solubility profile dependent on the specific extraction method. This suggests potential for integration into both aqueous and oil-based formulations.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

Despite no specific review from major regulatory bodies such as CIR, SCCS, or FDA, in vitro and preliminary human skin irritation tests support a favorable safety profile. Hot-water extracts have been shown to be harmless in human skin irritation tests, and essential oil preparations demonstrated negligible cytotoxicity on human skin cells (HaCaT) at concentrations proven effective against pathogens.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

Torreya Nucifera Extract is a versatile botanical ingredient offering antibacterial, anti-inflammatory, antioxidant, and skin brightening benefits with a low risk of irritation and comedogenicity, making it valuable for comprehensive skincare formulations across all skin types.

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