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Moumoujus

SEA WATER/TORREYA NUCIFERA LEAF FERMENT EXTRACT.

Valuable / ANTIOXIDANT, HUMECTANT, SKIN CONDITIONING

This ingredient combines the benefits of sea water with a fermented extract of Torreya nucifera leaves. It is recognized for its antioxidant, humectant, and skin conditioning properties, with research indicating a potential role in mitigating hyperpigmentation.

Summary

Antioxidant Humectant Skin Conditioning Anti-melanogenic

Science

Mechanism of Action

The Torreya nucifera leaf component of this ferment extract actively reduces melanin content and inhibits cellular tyrosinase activity. This anti-melanogenic effect is achieved by suppressing the phosphorylation of p38 and JNK within the mitogen-activated protein kinase (MAPK) signaling pathway. Beyond its pigmentation-modulating capabilities, it generally functions as an antioxidant, a humectant that attracts and retains moisture, and an overall skin conditioning agent.

Research

Clinical Evidence

Medium confidence
Effective range 50–200%
Optimal

N/A

Key findings

  1. 01 An in vitro study on α-melanocyte stimulating hormone (α-MSH) stimulated B16F10 melanoma cells demonstrated that Torreya nucifera leaf hot water extract (a component of this ferment) significantly reduced melanin content and cellular tyrosinase activity. This effect was observed in a concentration-dependent manner, with effective concentrations ranging from 50 to 200 μg/mL. Furthermore, the extract inhibited the phosphorylation of p38 and JNK, key signaling molecules in the MAPK pathway, elucidating its mechanism of action against hyperpigmentation.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

While the Cosmetic Ingredient Review (CIR) has not specifically evaluated 'SEA WATER/TORREYA NUCIFERA LEAF FERMENT EXTRACT', a skin irritation test on its active component, Torreya nucifera leaf hot water extract, indicated it was harmless to human skin, even at higher concentrations. Specific safety assessments from major regulatory bodies for the combined ingredient are currently unavailable.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

This ingredient presents as a valuable active due to its demonstrated anti-melanogenic and antioxidant properties, coupled with humectant benefits and a low reported risk of irritation, making it suitable for dry and sensitive skin types.

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