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Moumoujus

CITRUS HASSAKU/NATSUDAIDAI FRUIT JUICE.

Valuable CAS - / HUMECTANT

Citrus Hassaku/Natsudaidai Fruit Juice is a versatile botanical extract valued for its skin-conditioning and humectant properties. It delivers antioxidant protection, contributes to potential skin brightening by inhibiting tyrosinase, and offers anti-inflammatory benefits, making it suitable across various skincare applications.

Summary

Skin-Conditioning Humectant Antioxidant Skin brightening Anti-inflammatory Anti-allergic Mild exfoliant

Science

Mechanism of Action

This ingredient functions primarily as a skin-conditioning agent, enhancing skin texture and appearance, and as a humectant, drawing and retaining moisture. It exhibits robust antioxidant activity through superoxide dismutase (SOD)-like and DPPH radical-scavenging capabilities, effectively neutralizing free radicals. Furthermore, it demonstrates tyrosinase inhibitory activity, which can lead to a more even skin tone and brightening effects. The juice also possesses anti-allergic and anti-inflammatory properties, potentially alleviating irritation, and may improve skin health by enhancing blood fluidity.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Application of extracts from immature Citrus hassaku fruits in skincare for patients with atopic dermatitis demonstrated improving effects in 76% of participants.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

Successful formulation necessitates ensuring the product is non-sensitizing and non-irritating. For leave-on applications, the concentration of 5-methoxypsoralen (5-MOP) derived from this ingredient must not exceed 0.0015% (15 ppm) to mitigate potential phototoxicity. Formulators are advised to carefully monitor and account for cumulative levels of similar phototoxic constituents from all botanical sources within a product.

Conflicts

  • High concentrations of 5-methoxypsoralen (5-MOP) exceeding 0.0015% (15 ppm) in leave-on products due to the risk of phototoxicity.
  • Combining with strong irritants, especially when targeting sensitive skin, if the overall formulation is not meticulously balanced to be non-irritating.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
0.0015% (for 5-methoxypsoralen in leave-on products)%
Sensitization risk Moderate

The CIR Expert Panel determined Citrus fruit-derived ingredients, including Citrus Hassaku/Natsudaidai Fruit Juice, to be safe for use in both rinse-off and leave-on cosmetic products when appropriately formulated to be non-sensitizing and non-irritating. A crucial safety guideline for leave-on products dictates that the formulation should not contain more than 0.0015% (15 ppm) 5-methoxypsoralen (5-MOP) to prevent phototoxicity. Formulators are cautioned to consider the cumulative levels of all such constituents from multiple botanical ingredients. While generally recognized as safe (GRAS) for food consumption, the SCCS has identified some citrus constituents as potential contact allergens, underscoring the importance of careful formulation practices.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Citrus Hassaku/Natsudaidai Fruit Juice is a valuable ingredient, offering hydration, antioxidant defense, and potential benefits for brightening and soothing, particularly for atopic skin, provided its formulation adheres to strict phototoxicity and sensitization guidelines.

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