Protists belong to the Kingdom Protista, which include mostly unicellular organisms that do not fit into the other kingdoms. Characteristics of Protists. mostly unicellular, some are multicellular (algae)
The results may take a short time to show because of the general process of hair growth. However, after about four weeks of using castor oil for eyebrows, you should be able to see your eye brow hair being conditioned and growing fuller.
Eyebrows take a long time to grow back fully after they've been overplucked. For some people, it might only take six weeks, but others may have to wait a full year before their eyebrows regain their former shape. The best thing you can do for your brows is to be patient.