Ecobrands Calista Female fertility tester
Calista is a non-disposable saliva ovulation tester. It consists of a tiny microscope onto which saliva is placed. The saliva dries into a specific crystalline pattern: the type of pattern indicates how close she is to her fertile time.
We took apart the product and displayed it in a how-to-use flowchart in the pack.
This product is sold across the UK and represents a significant success in terms of print usability in conjuntion with clear instruction leaflets.