She used leave-in conditioner to moisturize her hair.
Meaning: She applied a conditioner to her hair that didn't need to be rinsed out, in order to add moisture.
Choice of Words: Used means to employ or apply something for a particular purpose. Leave-in means not requiring rinsing out after application. Conditioner is a product used to improve the texture and appearance of hair. Moisturize means to add moisture to something.
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Related Expressions