"If you use thread, you should be using Thread Heaven". This thread conditioner and protectant reduces hand fatigue, prevents tangling and fraying, and doesn't melt. It's hypo-allergenic, acid free and safe for all threads and fabrics. Especially useful with metallic and specialty threads. When using with threads sold on cards, this product can help straighten the thread before use. Not only useful for beading, this thread conditioner can be used for other projects that use thread, such as Quilting or Embroidery.