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CITRUS SPECIES PEEL EXTRACT.

Valuable CAS 94266-47-4 / PERFUMING

Citrus Species Peel Extract is a potent botanical ingredient derived from citrus fruit peels, rich in flavonoids, polyphenols, and essential oils. It offers multi-faceted benefits, including robust antioxidant and anti-inflammatory effects, alongside significant antimicrobial properties. This extract supports overall skin health by combating oxidative stress and promoting a clearer, brighter complexion.

Summary

Antioxidant Skin-conditioning Antimicrobial Astringent Brightening Anti-inflammatory Exfoliant Wound Healing Support

Science

Mechanism of Action

This extract primarily functions through its high concentration of bioactive compounds, such as hesperidin, naringin, and limonene. These constituents synergistically scavenge free radicals, significantly reducing oxidative stress and inhibiting lipid peroxidation. Its anti-inflammatory action involves the reduction of key inflammatory markers like IL-6 and TNF-α. Furthermore, it exhibits antimicrobial activity against various microorganisms, acts as a natural astringent, aids in diminishing hyperpigmentation for brighter skin, encourages skin renewal through gentle exfoliation, and supports wound healing by stimulating collagen production and tissue growth.

Research

Clinical Evidence

High confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

Thermal stability can be enhanced through encapsulation, such as with β-cyclodextrins. High processing temperatures (e.g., 180-200°C) should be avoided as they can degrade bioactive compounds.

Conflicts

  • High concentrations of furocoumarins, like 5-methoxypsoralen (5-MOP), in leave-on products due to significant phototoxicity risk, especially with sun exposure.
  • Formulations causing sensitization or irritation, as certain constituents, including limonene and citral, can induce adverse effects.
  • Potential pesticide residues and heavy metals; stringent good manufacturing practices are essential to limit impurities.

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Moderate

The CIR Expert Panel concluded that 47 Citrus peel-derived ingredients are safe in cosmetics when formulated to be non-sensitizing and non-irritating. For leave-on products, a critical restriction is that the content of 5-methoxypsoralen (5-MOP) must not exceed 0.0015% (15 ppm) due to phototoxicity concerns. Formulations must also adhere to good manufacturing practices to minimize impurities like pesticide residues and heavy metals.

Your Skin

Skin Compatibility

Yes Normal
No Dry
Yes Oily
No Sensitive
Irritancy Moderate
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Citrus Species Peel Extract is a valuable multi-functional ingredient, offering potent antioxidant, anti-inflammatory, and antimicrobial benefits, though requiring careful formulation to mitigate potential phototoxicity and irritation risks.

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