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Moumoujus

CITRUS HASSAKU/NATSUDAIDAI FRUIT POWDER.

Valuable CAS - / SKIN CONDITIONING - EMOLLIENT

Derived from the unripe fruit of the Japanese citrus species, Citrus Hassaku/Natsudaidai Fruit Powder is a multi-functional ingredient. It offers significant antioxidant and anti-inflammatory benefits, while also acting as a humectant to enhance skin hydration. Clinical data suggests its efficacy in improving atopic dermatitis and reducing hyperpigmentation.

Summary

Antioxidant Anti-inflammatory Anti-allergic Humectant Skin Conditioning Skin Whitening

Science

Mechanism of Action

This ingredient provides robust antioxidant protection through its rich composition of flavonoids, terpenes, linalool, vitamin C, and folic acid, demonstrating superoxide dismutase (SOD)-like and DPPH radical-scavenging activities. It exhibits anti-inflammatory and anti-allergic properties by inhibiting histamine release from mast cells, which helps to attenuate allergic dermatitis and mitigate associated oxidative stress. Functioning as a skin conditioning agent and humectant, it minimizes transepidermal water loss and enhances moisture retention within the stratum corneum. Furthermore, it contributes to skin brightening by effectively inhibiting tyrosinase activity and reducing melanogenesis.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Application of extracts from immature Citrus hassaku fruits in skincare regimens showed improving effects for 76% of patients experiencing atopic dermatitis.
  2. 02 A 50% ethanolic extract derived from unripe Citrus hassaku fruits demonstrated significant tyrosinase inhibitory activity and effectively inhibited melanogenesis in cultured murine B16 melanoma cells. Topical application of this extract on the dorsal skin of brownish guinea pigs exhibited in vivo preventive effects against UVB-induced pigmentation.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Unknown
Optimal pH N/A
0 7 14

Stability

The optimal pH range for stability is not explicitly detailed. However, extracts are frequently prepared using ethanol/water mixtures, suggesting potential solubility and stability within these solvent systems.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Unknown

Specific safety assessments by CIR, SCCS, or FDA are not available for this ingredient. Oral/Parenteral and Dermal Toxicity data, along with GHS classification, have not been determined. It is noted that 'citrus hassaku/natsudaidai peel powder', a related material, is specifically designated 'not for fragrance use'.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Citrus Hassaku/Natsudaidai Fruit Powder is a valuable multi-functional ingredient, offering scientifically supported antioxidant, anti-inflammatory, hydrating, and skin-brightening benefits with encouraging clinical observations for sensitive and hyperpigmented skin.

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