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If you’re looking for a long, wavy hairstyle with a sleek finish, Isla Hair is a beautiful option to add to your CAS collection. It has a side part, smooth roots, and soft waves flowing past the shoulders. The hairstyle comes in two versions. The first has loose strands resting over the shoulders, while the second keeps all the hair swept toward the back. You can use either version for everyday outfits, date nights, or glamorous looks. Isla Hair comes in 24 EA swatches, along with 24 additional swatches for the ends, so you can experiment with different hair colors and ombré combinations.
Follow these steps to install Isla Hair on your Sims 4 game:
Download the mod file from the link above. Sims 4 mods typically come as .package or .ts4script files.
Open your Sims 4 Mods folder. The default location is: Documents/Electronic Arts/The Sims 4/Mods
Place the downloaded file directly into the Mods folder. You can organize mods into subfolders up to one level deep.
Launch The Sims 4 and go to Game Options > Other. Make sure "Enable Custom Content and Mods" is checked.
Restart the game if it was already running. The mod should now appear in your game.
Important: Always back up your save files before installing new mods. After Sims 4 updates, mods may need to be re-downloaded or updated by the creator.
Platform
The Sims 4 (PC/Mac)
Pro tip: If a mod stops working after a game update, check the creator's page for an updated version. Broken mods can cause the game to behave unexpectedly.
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Published
October 19, 2026
Source
MustHaveMods.com
Last Updated
October 20, 2026