Butterfly blue tea
Has been used for centries as an antidepresant, anticonvulsant, sedative and memory enhancer.
Adding a few drops of lime or lemon juice it will turn purple.
Butterfly Pea Flower Tea is a source of antioxidants, and there are studies that show it is helpful to keep your skin youthful.
1 tsp. water 212 F steep 5-7 min.