Can I use BHT with Cyclobutanetetracarboxylic Acid?
Works well together
BHT and Cyclobutanetetracarboxylic Acid are generally compatible and can be layered in the same routine. As always, introduce one new active at a time and watch how your skin responds.
BHTAntioxidant
- ✓Prevents oxidative rancidity in oils and fats
- ✓Extends formula shelf life
- ⚠Possible sensitization at high concentrations
- ⚠Moderate EWG hazard score; ongoing discussion around potential endocrine activity based primarily on high-dose oral data
- ⚠Used at very low concentrations in cosmetics (0.0002–0.5%); CIR and SCCS consider safe at permitted levels
- ✓Metal ion chelator — prevents oxidative degradation
- ✓Enhances preservative system efficacy
