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Moumoujus

ACRYLATES/LAURYL METHACRYLATE/TRIDECYL METHACRYLATE CROSSPOLYMER.

Valuable / FILM FORMING

This crosspolymer functions as a sophisticated polymeric delivery system, employing a 'molecular sponge' structure to absorb excess sebum and enhance skin feel. It contributes to a refined, matte finish while improving product application across various formulations.

Summary

viscosity controlling absorbent sensory enhancer delivery system

Science

Mechanism of Action

Its porous microsphere design effectively entraps active ingredients or sebum, providing a 'rolling' effect that improves skin slip. This action results in a smoother sensory experience and a visible matte finish by absorbing excess oils.

Research

Clinical Evidence

High confidence
Effective range ≤25%
Optimal

up to 5% for oil control

Key findings

  1. 01 Formulations containing up to 2.6% of related methacrylate crosspolymers showed no dermal irritation or sensitization in HRIPT testing.
  2. 02 The maximum safe concentration for leave-on products within the acrylates copolymer family is reported as 25%.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH 3 – 9
0 7 14

Stability

Highly stable across a wide pH range (3.0-9.0). As discrete, crosslinked particles, it maintains integrity in both emulsion and anhydrous systems.

Conflicts

  • High shear processing (may damage the porous structure of the microspheres)
  • Highly polar solvents (may cause premature leaching of entrapped actives)

Safety

Safety Profile

CIR Status
Safe as used
Max tested
25%
Sensitization risk Low

The CIR Expert Panel deems this ingredient safe for cosmetic use when formulated to be non-irritating. Typical applications for oil control are significantly below the 25% family maximum.

Your Skin

Skin Compatibility

Yes Normal
No Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

This safe, low irritancy ingredient offers effective sebum absorption and sensory enhancement, making it a valuable addition for mattifying and oil-control formulations.

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