From Longman Dictionary of Contemporary Englishshower gelˈshower gel noun [uncountable] British English DCBa type of liquid soap that you use to wash yourself in a shower
Examples from the Corpus
shower gel• Now he is more likely to ask for a body spray or shower gel.• Do you know that this unique shower gel actually leaves your skin up to 28% smoother?• And she had been special, Ruth gritted to herself as she rubbed her body liberally with shower gel.