Get a Free 5ml Mini Now Free 5ml Mini With Every Order of The Mantle
Moumoujus

FUCOIDAN.

Valuable CAS 9072-19-9 / ANTIOXIDANT, SKIN CONDITIONING

Fucoidan is a complex sulfated polysaccharide primarily derived from various species of brown seaweed. In skincare, it is recognized for its multifaceted biological activities, offering significant potential in promoting skin health and resilience through hydration and protective benefits.

Summary

Antioxidant Anti-inflammatory Hydrating Soothing Barrier Support

Science

Mechanism of Action

Fucoidan's efficacy stems from several key mechanisms. It exhibits potent antioxidant properties by scavenging reactive oxygen species (free radicals), thereby mitigating oxidative stress that contributes to premature skin aging. Its anti-inflammatory action involves modulating cellular pathways that reduce pro-inflammatory cytokines, helping to soothe and calm irritated skin. Furthermore, its polysaccharide structure allows it to bind and retain water, providing significant hydrating capabilities, and it may support the skin's natural barrier function.

Research

Clinical Evidence

Medium confidence
Effective range 0.1–2%
Optimal

N/A

Key findings

  1. 01 In-vitro studies demonstrating significant antioxidant capacity and modulation of inflammatory markers.
  2. 02 Ex-vivo skin models showing enhanced moisture retention and improved barrier integrity.
  3. 03 Pilot human clinical trials indicating improvements in skin hydration, elasticity, and reduction of redness at concentrations within the 0.1-2.0% range.

Transparency

Dusting Analysis

Not commonly dusted

Fucoidan is a functional active ingredient with demonstrated benefits at relevant concentrations, typically ranging from 0.1% to 2.0% in formulations. It is not an ingredient commonly used in trace amounts purely for marketing claims.

The Formula

Formulation

Solubility
Water
Optimal pH 4 – 7.5
0 7 14

Stability

Fucoidan generally exhibits good stability within typical cosmetic pH ranges. Extreme pH values (below 3.5 or above 8.0) or prolonged exposure to high temperatures (above 70°C) may lead to degradation of its polysaccharide structure, potentially impacting efficacy.

Synergies

  • Hyaluronic Acid (enhanced hydration and plumping)
  • Vitamin C (boosted antioxidant protection)
  • Niacinamide (complementary anti-inflammatory and barrier support)

Conflicts

  • Strong oxidizing agents (potential degradation of the polysaccharide structure)
  • High concentrations of certain metal ions or cationic polymers (may affect solubility and stability due to charge interactions)

Safety

Safety Profile

CIR Status
No specific CIR Expert Panel report has been published for Fucoidan as a cosmetic ingredient. However, available toxicological data from extensive use in dietary supplements and general cosmetic applications suggest a favorable safety profile.
Pregnancy
Safe
Sensitization risk Low

Generally considered safe for topical application, with a low potential for irritation or sensitization based on current data. As with any new ingredient, patch testing is advisable for individuals with particularly reactive or sensitive skin.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Fucoidan is a valuable multifunctional ingredient offering robust antioxidant, anti-inflammatory, and hydrating benefits, making it suitable for a wide range of skin concerns and types.

Related

Similar Ingredients

Finding similar ingredients…