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.
For a post-pubescent or young adult, it takes about 65 days for eyebrows to regrow following plucking. For a mature adult, it will take about 56 days for eyebrow hair to regrow and about 73 days for a person at retirement age.. Growth rate depends on metabolism too. Therefore how old you are as well.