Science
Mechanism of Action
The diverse range of bioactive compounds found in Citrus unshiu, Citrus reticulata, and Citrus iyo fruits, including flavonoids, terpenes, linalool, vitamin C, and folic acid, underlies its multi-faceted skin benefits. These compounds collectively provide robust antioxidant protection by neutralizing free radicals and mitigating UV-induced damage. Furthermore, the ingredient exhibits anti-inflammatory effects through mechanisms such as inhibiting NF-κB and MAPK signaling pathways. It also contributes to skin brightening by potentially inhibiting tyrosinase, the enzyme crucial for melanin synthesis, and supports skin hydration and texture balance through its conditioning properties.
Research
Clinical Evidence
Medium confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Conflicts
- The presence of 5-methoxypsoralen (5-MOP) should not exceed 0.0015% (15 ppm) in leave-on products to prevent sensitization or irritation.
- Volatile fragrance compounds naturally present in citrus fruit waters may cause aggravation in individuals with highly sensitive skin.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel deemed this fruit water, as part of a larger assessment of Citrus fruit-derived ingredients, safe for use in both rinse-off and leave-on cosmetic products. This safety is contingent on formulations being non-sensitizing and non-irritating, with a strict limit for leave-on products not exceeding 0.0015% (15 ppm) of 5-methoxypsoralen (5-MOP). The U.S. FDA recognizes Citrus fruits as Generally Recognized As Safe (GRAS) for direct food use. Although the SCCS was not specifically cited for this combination, CIR's assessment considered SCCS/SCCP opinions on related fragrance allergens and furocoumarins.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This multi-beneficial fruit water delivers antioxidant, anti-inflammatory, and hydrating support, making it a valuable addition to formulations aimed at enhancing skin health and appearance, provided it adheres to established safety guidelines, particularly regarding photosensitizer levels.
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References
Sources