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Moumoujus

MELALEUCA ALTERNIFOLIA LEAF POWDER.

Insufficient Data CAS 85085-48-9 / ABRASIVE

Melaleuca Alternifolia Leaf Powder is a botanical derivative from the tea tree plant, known for its complex blend of bioactive compounds like terpinen-4-ol, polyphenols, and flavonoids. It is recognized for its multifaceted benefits, including antimicrobial action, anti-inflammatory effects, and astringent properties, making it a candidate for addressing various skin concerns.

Summary

Antimicrobial Anti-inflammatory Astringent Sebum Regulator

Science

Mechanism of Action

This ingredient functions by directly impacting skin microflora, specifically targeting bacteria such as Propionibacterium acnes through the disruption of cell membranes and inhibition of bacterial respiration. Its anti-inflammatory compounds work to mitigate redness and swelling, while astringent qualities contribute to visible pore tightening and regulation of sebaceous gland activity, leading to reduced oiliness.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Commonly dusted

The CIR Expert Panel issued an 'Insufficient Data Announcement' for this specific ingredient in February 2021, requesting crucial information regarding its manufacturing, composition, impurities, and toxicity. This regulatory uncertainty, coupled with its extremely limited reported cosmetic use (3 formulations in 2020, none in 2021), suggests formulators are largely avoiding it until comprehensive safety data becomes available.

The Formula

Formulation

Solubility
Water
Optimal pH 4 – 7
0 7 14

Stability

Optimal pH is inferred from Melaleuca Alternifolia Leaf Extract. Preventing oxidation is paramount, as oxidized tea tree derivatives can become sensitizing. Formulators must also carefully consider the cumulative concentration of constituents from all botanical ingredients to avert potentially hazardous levels.

Conflicts

  • Oxidized tea tree components (e.g., 1,8-cineole, terpinolene, limonene) which can act as allergens or sensitizers.

Safety

Safety Profile

CIR Status
Insufficient data
Sensitization risk Moderate

The CIR Expert Panel has requested further data on its manufacture, composition, impurity profile, irritation, sensitization, and general toxicity. While related tea tree ingredients have been deemed safe when properly formulated, this specific powder lacks sufficient data. Minimizing oxidation of the final product is critical to reduce the risk of allergic reactions or sensitization from components like 1,8-cineole, terpinolene, and limonene.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Insufficient Data

While offering potential benefits rooted in general tea tree science, the lack of specific safety data and widespread cosmetic use for Melaleuca Alternifolia Leaf Powder warrants a cautious approach until further scientific substantiation is provided.

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