The process of eye washer categorization is continuous. After细分 (细分 needs clarification), the eye washer categories grow to a certain scale and will differentiate again. For instance, the direction of eye washer differentiation or the eye washers searched for could be directions of differentiation. Each differentiation presents a good opportunity to create new eye washers. New eye washer brands enter user awareness sequentially by taking advantage of the competition among traditional eye washer brands.
(Note: The word "细分" appears incomplete or unclear in the original text, so further clarification might be needed for precise translation.)