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Moumoujus

ARTHROSPIRA PLATENSIS EXTRACT.

Valuable / ANTIOXIDANT, HAIR CONDITIONING, HUMECTANT, SKIN CONDITIONING, SKIN PROTECTING

Arthrospira Platensis Extract, derived from Spirulina microalgae, is a multi-functional ingredient offering broad benefits for skin health. It is recognized for its antioxidant, anti-inflammatory, and antimicrobial properties, alongside its capacity to support wound healing and modulate the skin's microbiota. This extract also provides humectant and photoprotective qualities, making it a comprehensive component in precision skincare formulations.

Summary

Antioxidant Anti-inflammatory Antimicrobial Skin-Conditioning Skin Protecting Wound Healing Humectant Hair Conditioning Photoprotection Microbiota Modulator

Science

Mechanism of Action

Arthrospira Platensis Extract operates through multiple pathways to enhance skin vitality. It functions as a potent antioxidant by inhibiting oxygen-favored reactions, exhibiting superoxide dismutase (SOD) activity, and containing phycocyanin to block inflammation-promoting molecules. Its anti-inflammatory action involves reducing pro-inflammatory cytokines and overall inflammatory processes. The extract also demonstrates antimicrobial efficacy against various skin pathogens, including Propionibacterium acnes and Staphylococcus epidermidis. Furthermore, it influences skin microbiota, stimulating growth at very low concentrations (up to 0.01%) and inhibiting it at slightly higher concentrations (0.02%). For cellular regeneration and wound healing, it promotes fibroblast and keratinocyte proliferation, stimulates angiogenesis, and inhibits inflammatory and apoptotic pathways. Additional benefits include acting as a humectant to maintain skin hydration and providing photoprotection by regulating key compounds that inhibit tyrosinase and free radicals while stimulating collagen production.

Research

Clinical Evidence

High confidence
Effective range 0.01–3%
Optimal

N/A

Key findings

  1. 01 Stimulates the growth of human skin microbiota, particularly gram-positive bacteria.
  2. 02 Inhibits the growth of human skin microbiota, predominantly gram-positive bacteria, with a potential slight increase in gram-negative microbiota.
  3. 03 Minimum Inhibitory Concentration (MIC) against Propionibacterium acnes, demonstrating antibacterial action.
  4. 04 Minimum Inhibitory Concentration (MIC) against Staphylococcus epidermidis, indicating antibacterial efficacy.
  5. 05 Enhances cell proliferation and migration by 56.6% in in vitro wound healing assays.
  6. 06 Boosts cell proliferation and migration by 74.9% in wound healing assays and improves collagen 1 immunoreactivity.
  7. 07 Demonstrates superior in vivo wound healing efficiency.
  8. 08 Exhibits potent antibacterial activity against Enterobacter aerogenes, Propionibacterium acnes, and Staphylococcus epidermidis, with a greater sensitivity observed in gram-positive bacteria.

Transparency

Dusting Analysis

Commonly dusted
Min. effective
0.01%
Red flag below
[object Object]%

While specific effects such as microbiota modulation are observed at very low concentrations (e.g., 0.01-0.02%), robust antibacterial activity often requires concentrations of 0.15% to 3%, and significant wound healing benefits are noted from 0.5% upwards. Claims for potent antibacterial or significant regenerative effects in formulations containing below 0.5% may warrant scrutiny.

The Formula

Formulation

Solubility
Water
Optimal pH 5.3 – 7
0 7 14

Stability

Optimal pH for the extraction and stability of C-phycocyanin, a key active component, is within the 6.0-7.0 range, with instability noted outside of pH 5.0-8.0. Cream formulations typically maintain a pH of 5.3-5.8, suitable for topical application and ingredient stability.

Conflicts

  • Certain surfactants, such as Polysorbate 60 and Cremophor, have shown higher cytotoxicity on HaCaT cells in cream formulations compared to sucrose ester SP 70, suggesting careful selection and concentration of surfactants is necessary to avoid potential incompatibilities.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

Arthrospira Platensis Extract holds 'Generally Recognized As Safe' (GRAS) status by the FDA. Topical application studies in mice showed no significant toxic effects and minimal inflammatory cellular infiltration. In vitro and in vivo studies indicate no acute, subchronic toxicity or genotoxic effects. However, care in sourcing is paramount as the extract can absorb heavy metals like lead from aquatic environments, with EU regulations setting a maximum limit of 3 mg/kg for lead in food supplements. Strains from open lakes may also pose a risk of microcystin production, though Arthrospira platensis itself does not produce anatoxin-α.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Arthrospira Platensis Extract is a valuable multi-functional ingredient, offering scientifically supported benefits in antioxidant protection, inflammation reduction, antimicrobial action, wound healing, and microbiota modulation across various effective concentrations.

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