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PELVETIA SILIQUOSA EXTRACT.

Insufficient Data CAS - / ANTIOXIDANT, HUMECTANT, SKIN PROTECTING

Pelvetia Siliquosa Extract is a marine-derived ingredient valued for its multi-functional properties, including significant antioxidant, humectant, and skin-protective actions. Rich in beneficial compounds such as fucosterol, isoflavones, amino acids, and polyphenols, it actively supports cellular regeneration and collagen synthesis. This extract works to combat visible signs of premature skin aging and mitigate damage from environmental stressors.

Antioxidant Humectant Skin Protectant Anti-Aging Collagen & Elastin Booster Soothing Agent Cell Renewal Enhancer

Science

Pelvetia Siliquosa Extract primarily functions as a potent antioxidant, effectively neutralizing free radicals through its rich content of fucosterol and polyphenolic compounds, thereby safeguarding against oxidative stress. It significantly enhances skin health by stimulating epidermal cell (keratinocyte) regeneration and promoting fibroblast proliferation, which in turn boosts the synthesis of crucial extracellular matrix components such as collagen, elastin, and hyaluronic acid. Its humectant properties ensure optimal hydration, while a high concentration of isoflavones supports cell renewal and nutrient absorption, contributing to firmer skin and counteracting sagging. Additionally, the extract contains compounds that can neutralize collagen-degrading enzymes and provides soothing benefits to the skin.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

The Formula

Solubility
Water
Optimal pH N/A
0 7 14

Stability

This extract is water-soluble. While specific optimal pH data for Pelvetia Siliquosa is not available, a maximum pH of 5.5 has been suggested for related Pelvetia Canaliculata extracts, indicating suitability for mildly acidic to neutral formulations. General algae extracts are often incorporated for their humectant properties.


Safety

CIR Status
Insufficient data
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Panel concluded that the available data are insufficient to determine the safety of Pelvetia Siliquosa Extract under the intended conditions of use in cosmetic formulations. FDA VCRP data from 2019 reported no uses. However, a closely related species, Pelvetia Canaliculata Extract, has been categorized as 'Irritant Free', 'Teen SAFE', 'Lip SAFE', 'Baby SAFE', and 'Eyelid SAFE' by SkinSAFE, suggesting a generally low irritancy potential for this family of marine extracts.


Your Skin

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

Our Assessment

Insufficient Data

While Pelvetia Siliquosa Extract shows promising anti-aging, antioxidant, and hydrating benefits based on broader Pelvetia research, the current lack of sufficient safety data from the CIR Panel means its long-term safety profile is not fully established.


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