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Moumoujus

CYSTINE BIS-PG-PROPYL SILANETRIOL.

Insufficient Data / SKIN CONDITIONING

Cystine Bis-PG-Propyl Silanetriol is a silicon-containing derivative of the amino acid cystine, primarily recognized for its potent hair-strengthening and repairing properties. It acts by penetrating the hair cuticle to reinforce keratin structure and form a protective barrier, reducing breakage and enhancing hair's overall resilience.

Summary

Skin conditioning Hair conditioning Hair strengthening Hair repairing Antistatic

Science

Mechanism of Action

For hair, this ingredient penetrates the cuticle and covalently binds to the hair's keratin, actively restoring interprotein bonds and reconstructing the hair's internal structure. It polymerizes upon drying, creating a robust, protective film on the hair surface that helps prevent moisture loss, breakage, and external damage. Its activity is notably enhanced by heat. While its primary mechanism is hair-focused, it is also listed for its general skin conditioning capabilities.

Research

Clinical Evidence

High confidence
Effective range 0.5–1.5%
Optimal

N/A

Key findings

  1. 01 Studies indicate that at concentrations between 0.5% and 1.5%, it penetrates the hair cuticle, strengthening the keratin structure and forming a protective shell. This action effectively reduces breakage and prevents further damage, leading to increased hair resistance, shine, and smoothness with regular use. Its functionality is notably enhanced by heat activation.
  2. 02 A concentration of 1.20% has been effectively utilized in specialized concentrates for keratin fiber treatment, demonstrating its utility in targeted repair formulations.
  3. 03 Scientific evaluations have shown its capacity to prevent and repair cuticle damage resulting from routine combing and styling. It significantly elevates the de-cementing strain threshold of hair fibers and has been observed to reform disulfide bonds in hair that is in a reduced state, further contributing to structural integrity.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 3 – 9
0 7 14

Stability

This ingredient maintains stability within a pH range of 3 to 9. It is soluble in water at temperatures not exceeding 40°C and also dissolves in water/ethanol mixtures (75%:25% and 50%:50%). During mixing, temperatures above 60°C should be avoided. For long-term storage, it is best kept in a dark place at temperatures up to 25°C, protected from direct sunlight.

Conflicts

  • Cationic surfactants (due to its polyanionic nature)

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

General safety assessments suggest a low degree of acute oral toxicity and minimal irritation to skin and eyes. There are no known hazards identified through these general evaluations.

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
No Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Insufficient Data

While Cystine Bis-PG-Propyl Silanetriol demonstrates substantial benefits for hair health and repair, detailed clinical data specifically supporting its efficacy and compatibility for diverse skin types in precision skincare formulations is currently insufficient to provide a comprehensive verdict.

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