You can put multiple ID's in the slots. While you can technically use a maximum of 10 hairstyles on your avatar at once, you will really need to be creative to make it look good too. Most players stop adding hairstyles after the second or third hair.
How do you get multiple hairs on Roblox mobile?
To add more hairstyles on top, right-click on the next hairstyle you want to add and click Copy Link Address.
Where is the Advanced button on Roblox?
Press the Advanced button, located below the Hair items that you own (see picture below). Pressing the Advanced button will bring up a new window with a bunch of Asset IDs.
How do you make hair on Roblox?
You can do this on PC and mobile.Log onto the Roblox official website.Go to your avatar settings.Select “Accessories.”From there you can select “Hair.”Type in the name of the hair you want.Select the options from the menu.Buy the color you want.Equip it back in your profile.