Elchim - Cocoon Diffuser Teknik Salon & Spa Sale! from $39.95 Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. This two-in-one professional diffuser creates and sets fantastic hair volume. The first module sets the hairstyle without breaking the hair, the second allows for rapid, natural drying for curly hair.