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CAESALPINIA SPINOSA HYDROXYPROPYLTRIMONIUM CHLORIDE.

Valuable CAS - / ANTISTATIC, HAIR CONDITIONING, SKIN CONDITIONING

A cationic derivative of Peruvian Tara Gum that functions as a high-performance conditioning agent and rheology modifier. It is specifically engineered to provide a silky, non-occlusive film on the skin while improving the suspension of mineral powders without the pilling associated with traditional gums.

Skin Conditioning Antistatic Agent Rheology Modifier Film Former Sensory Enhancer

Science

By utilizing a positive (cationic) charge, this molecule electrostatically anchors to the negatively charged keratin on the skin's surface. This creates a substantive, breathable humectant layer that smooths the skin texture, reduces static, and prevents moisture loss through a non-greasy film-forming action.


Research

High confidence
Effective range 0.1–2%
Optimal

0.3%

Key findings

  1. 01 Clinical data indicates that concentrations as low as 0.1% to 1.0% effectively stabilize inorganic powders like Zinc Oxide and Titanium Dioxide while eliminating 'gommage' or pilling effects.
  2. 02 Research published in patent WO2014027120A2 confirms significant skin softening and viscosifying benefits at a 0.3% inclusion rate.

Transparency

Not commonly dusted
Min. effective
0.1%
Red flag below
0.05%

This ingredient is typically used for its functional rheology and sensory properties. While inclusion below 0.1% may offer negligible conditioning, it is rarely used as a 'marketing-only' ingredient due to its utility in stabilization.


The Formula

Solubility
Water
Optimal pH 3 – 12
0 7 14

Stability

Highly resilient across a broad pH spectrum. It is cold-water processable but requires the addition of a weak acid (such as Citric Acid) to trigger the swelling and hydration process for proper viscosity development.

Synergies

  • Inorganic sunscreens (ZnO, TiO2)
  • Non-ionic surfactants
  • Glycerin

Conflicts

  • Concentrated anionic surfactant systems
  • High electrolyte/salt environments

Safety

CIR Status
Safe as used
Max tested
10%
Pregnancy
Safe
Sensitization risk Low

The CIR Expert Panel confirms safety based on its high molecular weight, which ensures the molecule remains on the skin's surface without systemic absorption.


Your Skin

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

Our Assessment

Valuable

A sophisticated, bio-derived conditioner that delivers superior skin-feel and formulation stability without the risk of pilling or irritation.


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