Madeca Vital Capsule Serum 50ml, CENTELLIAN24PRODUCT INFORMATION The key ingredients found in Centellian 24 Vital Capsule Serum TECA (titrated extract of centella asiatica), centella asiatica, astaxanthin, vitamin C (ascorbic acid), and hydrolyzed collagen work their way deep into the skin to help soothe and moisturize, while it also promotes improved skin elasticity protection. The Core TECA Delivery System is a patented technology adopted in Vital Capsule Serum that encapsulates TECA and