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Moumoujus

CITRUS AURANTIFOLIA PEEL POWDER.

Valuable CAS 90063-52-8 / SKIN CONDITIONING

Derived from the zest of the lime fruit, Citrus Aurantifolia Peel Powder is a dynamic skincare ingredient renowned for its antioxidant, astringent, and exfoliating properties. It works to rejuvenate the complexion by targeting hyperpigmentation, controlling excess oil, and defending against environmental aggressors.

Summary

Antioxidant Astringent Exfoliant Skin Brightener Anti-Aging Skin Conditioner Antimicrobial UV Protectant (as extract)

Science

Mechanism of Action

This ingredient functions through a synergistic array of bioactive compounds. Its rich content of antioxidants and vitamins actively neutralizes free radicals, thereby protecting skin cells from oxidative stress and mitigating premature aging. The natural astringent qualities help to visibly tighten and tone the skin, reducing excess oiliness and diminishing the appearance of blemishes. Furthermore, the presence of natural exfoliating acids, including citric acid, facilitates skin cell renewal, brightening the complexion and promoting a more even skin tone by reducing hyperpigmentation. High vitamin C content supports collagen synthesis, improving skin firmness and elasticity. Saponins contribute antibacterial and antimicrobial benefits by disrupting bacterial cell membranes, assisting in the management of acne and skin inflammation.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

15% (for lime peel extract in sunscreen applications)

Key findings

  1. 01 A sunscreen spray gel formulated with a 15% lime peel extract demonstrated an SPF value of 30, indicating significant efficacy as a photoprotective agent.
  2. 02 Citrus aurantifolia extracts exhibited potent antioxidant activity, evidenced by an IC50 for DPPH radical scavenging ranging from 75.4 to 78.3 µg/mL.
  3. 03 Specific concentrations of lime peel extract (e.g., 20 µL from a 158 mg/mL stock) effectively stimulated antioxidant activity, thereby inhibiting LDL oxidation.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Conflicts

  • High concentrations of 5-methoxypsoralen (5-MOP): Due to the inherent photosensitivity risk, leave-on formulations must not exceed 0.0015% (15 ppm) 5-MOP.
  • Sensitive skin types: Direct application or use in high concentrations may induce irritation and sensitization, necessitating caution.

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
0.0015% (15 ppm) 5-methoxypsoralen (5-MOP) in leave-on products%
Sensitization risk High

The CIR Expert Panel has concluded that Citrus Aurantifolia (Lime) Peel Powder is safe for use in both rinse-off and leave-on cosmetic products, contingent upon formulation being non-sensitizing and non-irritating. A critical restriction for leave-on products is the maximum allowable concentration of 5-methoxypsoralen (5-MOP) at 0.0015% (15 ppm). While recognized as safe (GRAS) for food by the FDA, topical application of this ingredient can sensitize the skin and significantly increase sensitivity to sunlight, elevating the risk of sunburn and irritation. Rigorous patch testing is mandatory prior to use, and it is advised for individuals with sensitive skin to avoid this ingredient.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Citrus Aurantifolia Peel Powder is a valuable active ingredient, offering significant benefits in antioxidant defense, exfoliation, and oil regulation, provided it is meticulously formulated within strict safety guidelines to mitigate its notable photosensitization risk.

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