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Moumoujus

HYDROLYZED LAMINARIA JAPONICA EXTRACT.

Valuable / SKIN CONDITIONING, SKIN PROTECTING

Hydrolyzed Laminaria Japonica Extract, derived from a nutrient-rich brown algae, is a versatile skincare ingredient celebrated for its hydrating, protective, and rejuvenating capabilities. It actively supports the skin's barrier function and contributes to a smoother, more resilient complexion. This ingredient is meticulously processed to enhance its beneficial properties for topical application.

Summary

skin protecting humectant antioxidant anti-inflammatory collagen boosting sebum regulating

Science

Mechanism of Action

This extract primarily functions as a potent humectant, effectively drawing and retaining moisture from the environment to deeply hydrate the skin and refine its texture. It is abundant in vital bioactive compounds, including polyphenols, essential minerals like iodine, calcium, and magnesium, as well as polysaccharides and amino acids. These components collaboratively enhance skin elasticity, provide robust protection against environmental damage, and strengthen the skin’s natural barrier. Furthermore, it stimulates collagen synthesis, leading to firmer skin and a visible reduction in fine lines. Its additional benefits include regulating sebum production and exhibiting antioxidant and anti-inflammatory properties that help to calm irritation and diminish redness.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

10%

Key findings

  1. 01 A 10% concentration of *Laminaria japonica* extract (the parent ingredient) increased skin hydration by 14.44% compared to a placebo after 2 hours. It also notably decreased transepidermal water loss (TEWL) to 4.01 g/cm² (approximately 20% of control) after an 8-hour period, indicating significant barrier improvement.

Transparency

Dusting Analysis

Not commonly dusted

No specific data regarding dusting properties or thresholds was available in the provided research for this ingredient.

The Formula

Formulation

Solubility
Water
Optimal pH 4 – 7
0 7 14

Conflicts

  • strong chemicals

Safety

Safety Profile

CIR Status
Insufficient data
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel noted insufficient data for Laminaria Japonica Extract (the non-hydrolyzed form from which this ingredient is derived) to fully assess its safety in cosmetic applications as of 2019 and 2022. However, it is broadly recognized as safe for topical use, presenting a low risk of irritation. Regulatory bodies, including the European Cosmetics Regulation, endorse Laminaria Japonica Extract for cosmetic use. Due to its natural iodine content, individuals with iodine sensitivity or thyroid conditions should use products containing this ingredient cautiously, particularly at elevated concentrations.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

This potent marine extract delivers significant hydration, strengthens the skin barrier, and offers anti-aging benefits, making it a valuable component for addressing a wide range of skin concerns.

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