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Moumoujus

CURCUMA LONGA LEAF EXTRACT.

Valuable CAS 84775-52-0 / SKIN CONDITIONING

Curcuma Longa Leaf Extract is a multi-functional botanical ingredient recognized for its potent antioxidant and anti-inflammatory capabilities. It actively strengthens the skin's natural barrier, enhances moisture retention, and supports cellular renewal, contributing to comprehensive skin recovery and anti-aging benefits.

Summary

Antioxidant Anti-inflammatory Skin Barrier Enhancement Moisture Retention Anti-aging Skin Cell Renewal Antimicrobial Sebum Regulation Skin Brightening Redness Reduction Irritation Soothing

Science

Mechanism of Action

This extract functions as a powerful antioxidant, effectively neutralizing free radicals to shield the skin from environmental stressors and combat premature aging. It provides significant anti-inflammatory benefits, reducing redness and irritation, while also promoting skin cell regeneration. By boosting the production of essential proteins like filaggrin and involucrin, it fortifies the skin's natural barrier, leading to enhanced hydration and a more resilient epidermis. Its antimicrobial activity can address blemish-prone skin, and it also aids in sebum regulation and promoting a more even, radiant skin tone.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 A concentration of 50 μg/mL demonstrated optimal skin recovery, significantly increasing filaggrin and involucrin production, thereby enhancing skin barrier function, moisture retention, and exhibiting anti-aging benefits in an in-vitro model.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 6 – 7.5
0 7 14

Stability

The stability of Curcuma Longa Leaf Extract, or its key components like curcumin, is optimally maintained within a pH range of 6.0-7.5. Curcumin is particularly susceptible to hydrolytic degradation in alkaline conditions, necessitating the use of adjuvants to ensure preservation and durability in topical formulations.

Conflicts

  • Urea (instability observed in gel-cream formulations containing Curcuma longa extracts)
  • Ascorbic acid
  • EC
  • Na-CMC
  • Mg-stearate (incompatibilities noted for curcumin, a key active component)

Safety

Safety Profile

CIR Status
Under review
Sensitization risk Moderate

Currently under review by the Cosmetic Ingredient Review (CIR) as part of their 2024/2025 Final Priority List. While generally considered safe for topical use and well-tolerated by most skin types, it may induce sensitivities in individuals with allergies to the ginger family, making patch testing advisable. The strong natural pigment of turmeric can stain skin and fabrics, particularly at higher concentrations. Excessive application may lead to skin dryness or irritation in some individuals.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Curcuma Longa Leaf Extract offers a valuable array of benefits, including significant antioxidant, anti-inflammatory, and barrier-strengthening properties, making it a robust choice for formulations targeting skin health, resilience, and anti-aging.

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