Solis Fast Dry Haardroger BlackFast Dry The Fast Dry is equipped with a professional alternating current motor and gives the hairdryer up to 50% more drying performance compared to other hairdryers. Cold air function The cold air function lets the hair cool down and acts like a natural hairspray. Ion technology By generating negative ions gives your hair suppleness and lets it dry faster. Swiss made This hairdryer also has overheating protection to prevent hair damage. 3 Settings