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Moumoujus

TAPIOCA STARCH CROSSPOLYMER.

Valuable CAS - / ABSORBENT, BINDING

Tapioca Starch Crosspolymer is a versatile, plant-derived texturizer renowned for its ability to refine the sensory experience of skincare formulations. It efficiently absorbs excess oil and moisture, delivering a sophisticated matte finish while simultaneously enhancing product texture and spreadability on the skin.

Summary

Absorbent Mattifier Binding Agent Viscosity-Controlling Agent Texture Enhancer Sensory Enhancer Spreadability Enhancer Moisturizer Anti-Caking Agent

Science

Mechanism of Action

This ingredient functions primarily as a highly effective absorbent, drawing finely dispersed substances, particularly excess oil and moisture, from the skin's surface to create a matte appearance and diminish greasiness. Beyond its absorptive qualities, it acts as a binding agent to maintain the cohesion of powdered products, a viscosity-controlling agent to optimize formulation texture and spreadability, and it imparts a smooth, silky skin feel. Additionally, tapioca starch can absorb atmospheric moisture, subtly contributing to skin moisturization.

Research

Clinical Evidence

High confidence
Effective range 0.1–10%
Optimal

1-10%

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 6 – 8
0 7 14

Stability

The base tapioca starch demonstrates optimal stability within a pH range of 6.0-8.0. However, the cross-linked form exhibits enhanced stability, including improved resistance to acidic pH and shear forces. Formulations containing tapioca starch have shown stability even in the pH range of 4.9 to 5.5. Critical concentration management is necessary; very low concentrations (<0.1%) may lead to phase separation, while excessively high concentrations (e.g., >10%) can result in hard, crumbling products.

Synergies

  • Glycerin (improves spreadability at lower concentrations)

Conflicts

  • Concentration-dependent stability issues (phase separation at low concentrations, hard/crumbling products at high concentrations)

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The CIR Expert Panel has concluded that polysaccharide gums, including Tapioca Starch Crosspolymer, are safe for use in cosmetic applications at typical concentrations. Tapioca starch is considered non-toxic and non-comedogenic, exhibiting a generally low potential for irritation in personal care formulations.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Tapioca Starch Crosspolymer is a highly valuable, safe, and versatile ingredient that significantly elevates product aesthetics and skin feel by efficiently mattifying, absorbing excess oils, and enhancing formulation texture across all skin types.

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