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Moumoujus

SYZYGIUM AUSTRALE FRUIT EXTRACT.

Questionable / SKIN CONDITIONING

Derived from the Australian native Lilly Pilly, Syzygium australe fruit extract is a botanical ingredient rich in beneficial compounds. It offers multifaceted skin support through its antioxidant, exfoliating, and regenerative properties, aiming to enhance overall skin health and complexion. The extract is notable for its natural content of AHAs, Vitamin C, and various antioxidants.

Summary

Antioxidant Exfoliant Skin-conditioning Anti-inflammatory Antibacterial Astringent Hydrator Collagen support Skin regeneration Acne scar improvement Acne prevention Skin firming Skin thickening Wound healing support Barrier function enhancement UV protection (indirect)

Science

Mechanism of Action

This extract functions as a potent antioxidant, primarily due to its high content of Vitamin C, phenolic acids, and anthocyanins, which collectively combat free radical damage and oxidative stress. Its fruit acids (AHAs) facilitate gentle exfoliation by loosening superficial layers of dehydrated skin cells, thereby promoting new cell turnover, refining skin texture, and aiding in the reduction of acne scars while preventing future breakouts. AHAs also contribute to increased skin hydration, firmness, and thickness. Furthermore, the extract exhibits anti-inflammatory effects that can mitigate skin inflammation and accelerate wound healing. Its astringent qualities help to improve skin firmness. Folate content supports enhanced hydration in the skin barrier, while manganese offers a degree of protection against UV damage. Anthocyanins specifically help reduce acne-related inflammation, and the extract has demonstrated direct antibacterial activity.

Research

Clinical Evidence

Insufficient-data confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Methanolic extracts of Syzygium australe fruit demonstrated inhibition of growth for 93% of 14 tested bacteria, including both Gram-positive and Gram-negative types. It achieved 100% inhibition of all Gram-positive bacteria tested in an in vitro study.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

For related extracts (e.g., Lilly Pilly Powder, *Syzygium luehmannii*), storage below 30ºC in closed containers, protected from direct sunlight, is recommended to maintain stability.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Unknown

SYZYGIUM AUSTRALE FRUIT EXTRACT lacks formal safety reviews by regulatory bodies such as CIR, SCCS, or FDA. Paula's Choice also notes 'not enough research'. A significant concern is an in vitro bioassay finding where methanolic, aqueous, and ethyl acetate extracts of Syzygium australe fruit demonstrated significant mortality in Artemia franciscana nauplii at concentrations below 1000 µg/ml, indicating a need for caution.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Questionable

While SYZYGIUM AUSTRALE FRUIT EXTRACT offers a promising array of theoretical benefits for skin health, its lack of human clinical data for efficacy and safety, coupled with in vitro toxicity concerns identified at concentrations below 1000 µg/ml, makes its inclusion in formulations questionable without further rigorous research.

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