Science
Mechanism of Action
This extract functions as a mild, natural exfoliant primarily due to its content of alpha hydroxy acids (AHAs), specifically citric and malic acids, which facilitate cellular renewal and smooth the skin's surface. It provides robust antioxidant protection against free radical damage through its rich composition of Vitamin C and various flavonoids, including hesperidin, naringin, luteolin, and ferulic acid. Its ability to brighten uneven skin tone and reduce hyperpigmentation is partly attributed to certain flavonoids that may inhibit tyrosinase, a key enzyme in melanin synthesis. Furthermore, the extract offers anti-inflammatory and antimicrobial benefits, aiding in cleansing, toning, and balancing oil production for oily and acne-prone skin. Its naturally occurring carbohydrates, such as glucose, fructose, sucrose, and pectin, also contribute to enhanced skin hydration, while some components stimulate collagen production.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
No specific data suggests this ingredient is commonly used at sub-efficacious concentrations ('dusted'). Its general usage range for topical benefits is reported between 5-10%.
The Formula
Formulation
Stability
The extract exhibits thermal stability, allowing for its incorporation into the water phase at temperatures between 70-75°C prior to emulsification. While low temperatures may induce cloudiness, this does not impair its activity, with clarity restoring above 15°C. It maintains stability for a minimum of one year in its original, unopened packaging when stored at low temperatures.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that citrus fruit-derived ingredients, including Citrus Aurantium Dulcis Fruit Extract, are safe for use in both rinse-off and leave-on cosmetic products when formulated to be non-sensitizing and non-irritating. A critical restriction for leave-on formulations is that they must not exceed 0.0015% (15 ppm) of 5-methoxypsoralen (5-MOP), a furocoumarin known for its photosensitizing potential. The ingredient is generally considered safe for topical application within a 5-10% concentration range. The FDA has also recognized citrus fruits, their essential oils, oleoresins, and natural extracts as Generally Recognized As Safe (GRAS) for their intended use as food substances.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Citrus Aurantium Dulcis Fruit Extract is a valuable, multi-functional ingredient providing gentle exfoliation, robust antioxidant defense, and brightening benefits, suitable for a wide range of skin types when precisely formulated to mitigate photosensitivity risks.
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