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Moumoujus

CHONDRUS CRISPUS EXTRACT.

Valuable CAS 244023-79-8 / SKIN CONDITIONING, VISCOSITY CONTROLLING

Chondrus Crispus Extract, derived from red marine algae, is a versatile skincare ingredient celebrated for its hydrating, protective, and soothing properties. It supports a healthy skin barrier and offers antioxidant benefits against environmental aggressors.

Summary

Skin conditioning Viscosity controlling Humectant Film-forming Anti-inflammatory Antioxidant Barrier strengthening

Science

Mechanism of Action

This extract functions primarily as a humectant, drawing and retaining moisture within the skin via hygroscopic absorption to enhance hydration and promote a plump, supple appearance. Its film-forming capabilities establish a breathable barrier on the skin's surface, effectively minimizing transepidermal water loss. Chondrus Crispus Extract also exhibits anti-inflammatory effects by modulating pro-inflammatory mediators, which helps to mitigate irritation and reduce visible redness. Furthermore, it provides antioxidant protection, shielding the skin from damage caused by environmental stressors and free radicals. The ingredient is also understood to strengthen the skin's protective barrier, potentially by stimulating the synthesis of essential components like ceramides and hyaluronic acid. Additionally, it may offer some defense against the visible impacts of blue light exposure and airborne pollutants.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 At a concentration of 100 µg/mL, Chondrus Crispus Extract demonstrated 15.6% nitric oxide (NO) inhibition, suggesting anti-inflammatory potential. An organic extract showed enhanced NO inhibition at 64.6%.
  2. 02 At 400 µg, the extract displayed anti-radical activity comparable to Vitamin C (235.81 ± 3.20 µg vs 243.46 ± 3.56 µg), indicating significant antioxidant capacity.
  3. 03 Concentrations of 200 ppm and 100 ppm significantly impacted the attachment of *Marinobacter hydrocarbonoclasticus* and *Cobetia marina*, demonstrating anti-biofilming effects.
  4. 04 A nasal spray containing ι-carrageenan (a component of Chondrus Crispus) at 0.17% provided significant protective effects against COVID-19 in a 21-day, randomized, placebo-controlled study involving 394 individuals (relative risk reduction 79.8%).

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 5 – 7
0 7 14

Stability

The extract exhibits stability in formulations with pH values generally between 5.0 and 7.0, with some data suggesting stability in the range of pH 4.81-4.98 for body milk samples and pH 6-8 for crude extracts. It serves as a beneficial thickening, water-binding, gelling, and stabilizing agent, contributing to enhanced product stability and a smooth application experience.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
1.4%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) concluded on September 14, 2021, that Chondrus Crispus Extract is safe as used in cosmetics. Reported usage concentrations range up to 0.14% in eyeshadows and 1.4% in dentifrices. While generally well-tolerated, individuals with sensitive skin or known marine allergies should consider patch testing due to the rare possibility of mild irritation or allergic reactions. Carrageenan, a key component, is recognized as safe (GRAS) by the FDA for food consumption.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Chondrus Crispus Extract is a valuable multi-functional ingredient offering significant hydration, antioxidant protection, and barrier support, making it suitable for a wide range of skin types and product formulations.

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