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Moumoujus

PORPHYRIDIUM CRUENTUM EXTRACT.

Valuable CAS 223751-77-7 / SKIN CONDITIONING

This red microalgae extract is a multi-functional ingredient, clinically indicated to defend skin against environmental aggressors, enhance hydration, and visibly improve radiance. Its rich composition of polysaccharides and exopolysaccharides works to strengthen the skin barrier, provide soothing benefits, and promote a more even, youthful complexion.

Summary

Skin conditioning Antioxidant Moisturizing Anti-aging Firming Soothing Barrier support Evens skin tone UV protection

Science

Mechanism of Action

Porphyridium Cruentum Extract operates through a multi-faceted approach. As a potent antioxidant, it actively neutralizes free radicals, thereby reducing oxidative stress caused by UV radiation and urban pollutants, which helps to mitigate premature aging and prevent 'sunburn cell' formation. Its high polysaccharide content ensures significant hydration by forming a hygroscopic film that attracts and locks in moisture, preventing transepidermal water loss. Furthermore, its exopolysaccharides are instrumental in upregulating key genes, including AQP3, filaggrin, involucrin, loricrin, elastin, and fibrillin-1, to enhance skin moisturization, elasticity, barrier function, and wound healing. The extract also provides immediate firming and tightening effects, reduces redness, and promotes an even skin tone by improving radiance.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 5 – 7
0 7 14

Stability

Phycobiliproteins, critical bioactive components, maintain stability within a physiological pH range of 5.0 to 7.0. However, their molecular integrity can be compromised by extreme pH levels, high ionic strengths, elevated temperatures, and increased alcohol concentrations. Encapsulation techniques can be employed to safeguard these bioactive compounds from degradation.

Conflicts

  • Extreme pH environments
  • High ionic strengths
  • Elevated temperatures
  • High alcohol concentrations

Safety

Safety Profile

CIR Status
Insufficient data
Sensitization risk Low

As of March 2021, the Cosmetic Ingredient Review (CIR) Panel determined insufficient systemic toxicity data was available to assess safety comprehensively. Nonetheless, a Human Repeat Insult Patch Test (HRIPT) involving 107 subjects found a moisturizer formulation containing 0.000545% Porphyridium Cruentum Extract to be non-irritating and non-sensitizing. The exopolysaccharides from Porphyridium cruentum are reported as non-toxic, and cosmetic compositions with this extract have shown anti-allergy effects without inducing skin irritation.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Porphyridium Cruentum Extract is a valuable, multi-functional ingredient offering significant antioxidant, hydrating, and barrier-strengthening benefits with a low risk of irritation.

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