4,4'-Dihydroxy-3,3'-(3-methylthiopropylidene) dicoumarin
Caution
CAS Number: -
About 4,4'-Dihydroxy-3,3'-(3-methylthiopropylidene) dicoumarin
4,4'-Dihydroxy-3,3'-(3-methylthiopropylidene) dicoumarin is a cosmetic ingredient used in product formulation. Exercise caution due to limited available safety data.
Detailed Analysis
This dicoumarin structure features two coumarin units connected by a thioether linkage at the 3 and 3' positions with 4-hydroxy and 3-methylthiopropylidene substituents. Dicoumarin-type compounds are known for their vitamin K antagonist (anticoagulant) activity, similar to the banned rodenticide warfarin (which was itself developed from dicumarol, a natural coumarin dimer). The structural similarity raises serious concerns about potential blood-thinning effects if absorbed through skin. This class of compounds should not be used in cosmetic formulations intended for dermal application due to systemic health risks.
Known Concerns
- ⚠ Potential anticoagulant activity (vitamin K antagonist)
- ⚠ Structural alert for hemorrhagic risk
- ⚠ Dicoumarin-type compounds have drug-like effects
- ⚠ Should not be used in cosmetics
- ⚠ No established safe cosmetic use
Safety Score
Caution
Based on EU regulatory data, published safety research, and ingredient function analysis.
References
EU CosIng Database
European Commission cosmetic ingredient registry
Check your products for 4,4'-Dihydroxy-3,3'-(3-methylthiopropylidene) dicoumarin
Scan any cosmetic product to see if it contains this ingredient and get a full safety breakdown.
Download LuxSenseThis information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional for skin concerns or allergies.