Since it is quite porous, SoftTouch is prone to harboring bacteria. It is recommended that you use it with a condom. Users should also avoid oil based lubricant with this particular material since it can gradually build up on the surface and hinder the realistic feel. By this token, SoftTouch is only compatible with water based lubricant.
As far as storage is concerned, it is best to store SoftTouch should be stored in an individual plastic bag and away from your other toys. In fact, this material can fuse with other toys if stored in the same bag.