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Moumoujus

LIGNINASE.

Valuable CAS - / HUMECTANT

Ligninase, also known as Lignin Peroxidase (LiP), is an enzymatic ingredient highly effective in enhancing skin brightness and reducing hyperpigmentation through targeted melanin degradation. Beyond its primary depigmenting action, this versatile enzyme offers significant antioxidant protection, anti-inflammatory, and soothing benefits, making it a comprehensive active for diverse skin concerns.

Summary

Skin lightening Antioxidant Anti-inflammatory Soothing Anti-itch Anti-aging Anti-pollution UV protection Hydration enhancement

Science

Mechanism of Action

Ligninase functions as a powerful skin-lightening agent by catalyzing the oxidative degradation of melanin, specifically eumelanin, which shares structural similarities with lignin. This enzymatic process requires hydrogen peroxide (H2O2) to act as a crucial activator for pigment breakdown. Furthermore, lignin and its hydrolysates exhibit robust antioxidant properties by scavenging free radicals, provide protective effects against UVA and UVB radiation, and contribute to soothing, anti-inflammatory, anti-itch, anti-aging, and anti-pollution benefits for the skin.

Research

Clinical Evidence

High confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

Specific optimal concentrations for Ligninase in cosmetic formulations are not consistently reported across clinical studies. Efficacy has been demonstrated in various formulations where the enzyme's precise inclusion percentage was often unspecified, making it challenging to define a typical 'dusting' threshold.

The Formula

Formulation

Solubility
Water
Optimal pH 2 – 4.5
0 7 14

Stability

Ligninase-based products are optimally active within a highly acidic pH range of 2.0 to 4.5. The enzyme's activity significantly declines and becomes inactive above pH 5.5, consistent with the general instability of enzymes in neutral to alkaline environments.

Synergies

  • Hydrogen peroxide (H2O2) as an essential activator for its melanin-degrading enzymatic function.

Conflicts

  • Alkaline pH conditions (above 5.5) which deactivate the enzyme.
  • Absence of hydrogen peroxide (H2O2) as an activator, necessitating a potential two-component system for formulation stability and efficacy.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

Clinical studies have consistently reported good tolerability for formulations containing Lignin Peroxidase, with no associated adverse events or tolerability issues. Lignin itself is known for its low cytotoxicity. However, there are currently no specific comprehensive safety assessments from regulatory bodies such as CIR, SCCS, or FDA for Ligninase or Lignin Peroxidase.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Ligninase is a valuable enzymatic ingredient, demonstrating strong efficacy in skin brightening and offering broad benefits from antioxidant protection to soothing properties, making it a sophisticated choice for advanced skincare despite its specific pH and activator requirements.

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