Serum for nails. Deliver ingredients for nail and nail mother to become healthy. Supplies keratin (amino acids) constituting nails to keep moisture and lipids. Tea tree contains lemon engine oil, vitamin E, arginine, hydrolyzed keratin, hydrolyzed silk, horsetail extract, olive bud extract, ergothionein, vitamin C and other ingredients. How to use: Apply lots of nails and nails around. Three times one day is a standard.