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Moumoujus

CITRUS SINENSIS PEEL OIL EXPRESSED.

Valuable CAS 97766-30-8 / 8028-48-6 / PERFUMING

Derived from the sweet orange peel, CITRUS SINENSIS PEEL OIL EXPRESSED is a botanical extract recognized for its multi-faceted benefits. It functions as a potent antioxidant, helps to mitigate inflammation, and supports the overall health and regeneration of the skin barrier.

Summary

Antioxidant Anti-inflammatory Skin Barrier Protection Photodamage Mitigation Collagen Synthesis Enhancer Elastase Inhibitor Collagenase Inhibitor Hyaluronic Acid Promoter Skin Hydration Skin Elasticity Improvement Skin Brightening Skin Tone Evening Skin Texture Improvement Soothing Mild Antibacterial Scalp Cleansing Astringent Mild Exfoliant Perfuming Masking Skin Conditioning

Science

Mechanism of Action

This ingredient exerts its effects through several biological pathways. It acts as an antioxidant by directly neutralizing free radicals, thereby protecting the skin from oxidative stress and reducing photodamage. Its anti-inflammatory properties stem from the modulation of key pro-inflammatory mediators, specifically TNF-α, IL-1β, and IL-6. The oil also contributes to dermal structure by enhancing collagen synthesis and inhibiting the activity of elastase and collagenase enzymes. Furthermore, it promotes the production of hyaluronic acid, which leads to improved skin hydration and elasticity. Mild antibacterial effects, skin brightening, tone evening, texture refinement, and soothing properties are also observed, alongside an ability to cleanse the scalp by reducing excess sebum and buildup through its astringent and mild exfoliating action.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH 3 – 4.5
0 7 14

Stability

CITRUS SINENSIS PEEL OIL EXPRESSED is highly susceptible to oxidation, which can lead to the formation of skin-sensitizing compounds. For enhanced stability, formulations should incorporate antioxidants, and the ingredient must be stored in airtight, UV-protected containers. It is recommended to add this oil during the cool-down phase of formulation, avoiding direct or prolonged exposure to heat.

Conflicts

  • UV light (due to photosensitivity)
  • Oxidizing agents (can lead to sensitization)

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
2%
Sensitization risk Moderate

The CIR Expert Panel deems citrus-derived peel oils safe for cosmetic use, provided finished leave-on products do not exceed 0.0015% (15 ppm) 5-methoxypsoralen (5-MOP) and are formulated to be non-sensitizing and non-irritating. General topical use in cosmetics is considered safe at concentrations below 1-2%. However, this ingredient is photosensitizing and can increase skin's sun sensitivity; therefore, it should not be applied before sun exposure. Oxidation, particularly when exposed to air and light, can produce skin-sensitizing compounds like limonene oxides. Patch testing is advised prior to initial use. The U.S. FDA lists citrus-derived peel oils as Generally Recognized As Safe (GRAS) for food use. In the EU, limonene must be listed in ingredients if its concentration surpasses 0.001% in leave-on products or 0.01% in rinse-off products.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

CITRUS SINENSIS PEEL OIL EXPRESSED is a valuable multifunctional ingredient offering significant antioxidant and anti-inflammatory benefits, provided its photosensitizing potential and oxidation risks are meticulously managed through precise formulation and consumer guidance.

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