Do the Original & SCUBA both have soft bristles?

You bet. All of our bristles are soft with the exception of our Medium Replacement Heads. The bristles on the Original and SCUBA are exactly the same but because the SCUBA has a flexible neck the bristles might feel softer since you are exerting less pressure while you brush. 

Check them out here.

Email: contact@madebyradius.com.

Thanks!

The RADIUS Customer Service Team