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Moumoujus

CITRUS TANKAN PEEL OIL.

Valuable / FRAGRANCE

Citrus Tankan Peel Oil, extracted from the fruit's outer peel, is a multifaceted botanical ingredient rich in antioxidant, antimicrobial, and anti-inflammatory properties. It actively supports the skin barrier, helps regulate sebum production, and promotes a more uniform and radiant complexion. Its application in skincare necessitates precise formulation due to specific safety limitations.

Summary

Fragrance Skin-conditioning agent Antioxidant Antimicrobial Anti-inflammatory Astringent Exfoliant Detoxifier Microbiome balance agent Barrier support Oil control agent Tone evener

Science

Mechanism of Action

This ingredient functions primarily as an antioxidant, effectively neutralizing free radicals to shield the skin barrier from environmental damage and mitigate the effects of photodamage. Its inherent antimicrobial and anti-inflammatory characteristics offer potential benefits for conditions such as acne and congestion. Furthermore, its bioactive constituents contribute to sebum balance and enhance superficial blood microcirculation, fostering a brighter and more even skin tone.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Commonly dusted
Red flag below
0.0015%

While Citrus Tankan Peel Oil offers potential skin benefits, its stringent safety maximum of 0.0015% for 5-methoxypsoralen (5-MOP) in leave-on products means the oil itself must be incorporated at extremely low concentrations. This often limits its utility as a primary active ingredient, instead leading to its inclusion at levels primarily contributing to fragrance, or at concentrations where its direct therapeutic effects may be minimal while remaining within safe limits.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

As an essential oil, its stability can be compromised by oxidation, which may degrade its beneficial compounds. The presence of furocoumarins necessitates meticulous formulation to prevent phototoxicity, particularly in leave-on products.

Conflicts

  • High concentrations of furocoumarins (e.g., 5-MOP) in leave-on products due to a significant phototoxicity risk.
  • Other ingredients that contribute cumulatively to elevated levels of known sensitizers such as limonene and citral.

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
0.0015%
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) Expert Panel considers citrus-derived peel oils, including Tankan, safe for cosmetic use under specific conditions. For leave-on products, the final formulation must not contain more than 0.0015% (15 ppm) 5-methoxypsoralen (5-MOP) and must be meticulously formulated to be non-sensitizing and non-irritating. For rinse-off products, similar non-sensitizing and non-irritating criteria apply. Formulators must account for the cumulative concentration of sensitizing constituents (e.g., limonene, citral, furocoumarins) from all botanical ingredients. Adherence to Good Manufacturing Practices (cGMPs) is advised to limit impurities like pesticide residues and heavy metals. The FDA has deemed certain essential oils derived from citrus fruits as Generally Recognized As Safe (GRAS) for food use.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Citrus Tankan Peel Oil is a valuable ingredient for targeted skin concerns such as oily skin, congestion, and uneven tone due to its antioxidant, antimicrobial, and sebum-balancing properties, provided it is formulated with precise adherence to safety concentrations and irritation thresholds.

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