The answer to this question depends on your hair type and styling needs. Ionic technology uses the power of negatively-charged ions to blow dry the hair faster for straight, smooth results. On the other hand, Ceramic models use far-infrared heat, which can penetrate the hair shaft, helping to restore moisture levels. There are ceramic ionic hairdryers available now that do both at once. Both technologies can come in handy when you're looking to keep your mane straight and smooth, but they are designed to be used differently. Before purchasing a hairdryer with either of these technologies, you should consider what you want from your hairdryer and your beauty regimen.