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CITRUS AURANTIUM TACHIBANA PEEL EXTRACT.

Valuable / HUMECTANT, SKIN CONDITIONING

Derived from the peel of the Tachibana orange, this extract acts as a humectant and skin conditioner, contributing to enhanced hydration and radiance. While direct clinical studies on human skin are limited, broader research on similar citrus extracts suggests significant antioxidant, anti-inflammatory, and anti-aging potential, alongside mild exfoliating benefits.

Summary

Humectant Skin Conditioning Antioxidant Anti-inflammatory Antityrosinase (Skin Brightening) Anti-aging Mild Exfoliant (potential)

Science

Mechanism of Action

CITRUS AURANTIUM TACHIBANA PEEL EXTRACT primarily functions as a humectant, drawing and retaining moisture in the stratum corneum to optimize skin hydration and minimize transepidermal water loss. Its rich composition includes flavonoids, terpenes, linalool, vitamin C, and folic acid, which collectively impart robust antioxidant properties, protecting the skin from oxidative stress and free radical damage. Additionally, some citrus extracts contain Alpha Hydroxy Acids (AHAs), offering a gentle exfoliating effect that can promote skin renewal and improve overall radiance.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Broader research on Citrus aurantium peel extracts indicates significant antioxidant capacity.
  2. 02 Cell culture studies show anti-inflammatory effects, reducing markers like IL-6 and TNF-α by up to 40%.
  3. 03 Observed antityrosinase activity suggests potential for skin brightening.
  4. 04 Demonstrated anti-aging properties through inhibition of collagenase, elastase, and MMP-1 enzymes.

Transparency

Dusting Analysis

Not commonly dusted

The provided data does not suggest that this ingredient is commonly dusted. Its benefits align with general skin conditioning and antioxidant support, which are often valued in formulations.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

Similar citrus extracts exhibit thermal stability, allowing incorporation into the water phase at 70-75°C before emulsification. They can be formulated in slightly acidic conditions, with pH adjustable up to 7.0 for various product types.

Conflicts

  • Direct sun exposure immediately after application, due to potential photosensitization from certain citrus constituents.
  • Formulations with high levels of sensitizing constituents like limonene, citral, or furocoumarins, which may lead to irritation or adverse reactions.
  • Combination with other strong irritants, especially for individuals with sensitive skin.

Safety

Safety Profile

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

The Cosmetic Ingredient Review (CIR) Expert Panel deems Citrus Aurantium Tachibana Peel Extract safe for cosmetic use, provided formulations are non-sensitizing and non-irritating. A critical restriction for leave-on products mandates a maximum concentration of 0.0015% (15 ppm) of 5-methoxypsoralen (5-MOP). Formulators must carefully manage levels of constituents such as limonene, citral, and furocoumarins to prevent sensitization or other adverse effects. The U.S. FDA recognizes some citrus peels and their extracts as Generally Recognized As Safe (GRAS) for food use.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

This extract is a valuable ingredient for promoting hydration, radiance, and antioxidant defense, though precise human clinical data for its specific efficacy requires further investigation while adhering to critical safety restrictions regarding sensitizing constituents.

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