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Moumoujus

SODIUM PORPHYRA YEZOENSIS EXTRACT.

Valuable CAS - / SKIN CONDITIONING

SODIUM PORPHYRA YEZOENSIS EXTRACT is a potent marine extract derived from red algae, recognized for its comprehensive benefits across multiple skin concerns. It actively enhances skin luminosity and firmness while providing robust protection against environmental pollutants and oxidative stress. Its natural humectant properties also ensure optimal skin hydration and barrier function.

Summary

skin conditioning antioxidant humectant anti-aging skin brightening anti-pollution

Science

Mechanism of Action

SODIUM PORPHYRA YEZOENSIS EXTRACT operates on several key dermatological pathways. It precisely targets hyperpigmentation by inhibiting melanogenesis, which includes reducing tyrosinase activity and overall melanin content. Concurrently, it stimulates collagen production by suppressing collagen-degrading enzymes, specifically matrix metalloproteinase (MMP)-2 and MMP-9, while promoting procollagen synthesis enzymes like tyrosinase-related protein (TRP)-1 and TRP-2. Its antioxidant efficacy is demonstrated by reducing urban particulate matter (UPM)-induced XRE promoter activity and reactive oxygen species (ROS) levels, and by inhibiting aryl hydrocarbon receptor (AhR) signaling, offering robust protection against pollution-induced keratinocyte cellular damage. The extract further revitalizes the skin by enhancing cell renewal, counteracting decreased mitotic activity, reducing cell migration time towards the stratum corneum, and increasing the density of the collagen network in the papillary dermis, leading to improved epidermal thickness and barrier function. Beyond these, it functions as a humectant, soothes irritated skin, boosts dermal immunity, improves skin elasticity and tone, and contains mycosporine-like amino acids (MAAs) for photoprotective effects against UV radiation.

Research

Clinical Evidence

Medium confidence
Effective range 0.5–5%
Optimal

N/A

Key findings

  1. 01 Clinical trials involving 23 volunteers demonstrated that P. yezoensis extracts significantly enhanced skin brightness, reduced melanin content, and stimulated collagen production.
  2. 02 A patent suggests optimal topical application concentrations for compositions are between 0.5% and 5% by weight of the extract.
  3. 03 In vitro studies confirmed its anti-pollutant and antioxidant activities, showing a reduction in reactive oxygen species (ROS) production in human keratinocytes at concentrations of 10, 20, and 50 μg/mL.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

SODIUM PORPHYRA YEZOENSIS EXTRACT is encompassed within Cosmetic Ingredient Review (CIR) safety assessments for red algae-derived ingredients, which are generally deemed safe for cosmetic applications and function primarily as skin-conditioning agents. Select Porphyra species also hold a Generally Recognized As Safe (GRAS) designation from the US FDA for food consumption, further indicating its favorable safety profile.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

SODIUM PORPHYRA YEZOENSIS EXTRACT is a valuable multi-functional ingredient, offering clinically supported benefits in skin brightening, anti-aging, hydration, and environmental protection, suitable for various skin types.

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