The C3 Perfection Serum combines 3 forms of Natural Vitamin C with plant-based Pro-Retinol** and Vitamin F to correct all complexion and skin irregularities. Rich in antioxidants and Arginine, its formula protects the skin from damages caused by free radicals whilst restoring its barrier. **Mastic Tree extract: Pistacia LentiscusUse:Apply to clean skin after toner. Patyka C3 Perfection Serum 30 ml