"Shower" was Gomez's only top 20 hit in the United States until her single "Mamiii" released in 2022.

"Shower" also reached the top 10 in the Czech Republic, Israel, the Netherlands, and Norway.

The song is certified multi-platinum by the Recording Industry Association of America (RIAA) for selling over 2 million copies in the country.

[2] The track was written by Dr. Luke, Cirkut, and Rock City before being presented to Gomez, who contributed to the bridge.

compared the single to the work of Gomez's previous duet partner Cher Lloyd and described it as "a bubbly future pop hit.

[13] By the end of November 2020, the song became a viral hit on the social media platform TikTok, generating around 6.3 million videos.