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Skin Conditioning

METHYLSILANOL CARBOXYMETHYL THEOPHYLLINE

CAS 105883-42-9 Updated
65

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

A methylsilanol-conjugated theophylline derivative used in eye-area and slimming-style formulas to reduce puffy or tired appearance. Limited cosmetic-specific data and pharmacologically active core.

Function

SKIN CONDITIONING

Skin benefits

  • Methylxanthine-class actives may reduce puffy/tired appearance
  • Silanol carrier can improve skin uptake
  • Used in eye and contour formulations

Known concerns

  • Methylsilanol class lacks robust cosmetic-specific safety reviews
  • Theophylline pharmacology — repeated heavy topical use deserves caution
  • Limited published clinical data

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.