Prime Big Deal Days: Casamaa hair dryer $29, Dyson Supersonic $229.99

Amazon's Prime Big Deal Days on October 7 and 8 are bringing steep discounts on popular hairdryers, including a budget model marketed as a lower-cost alternative to the Dyson Supersonic and a rare markdown on the Dyson itself. The Casamaa Professional Ionic Hair Dryer is listed for 29.99 after a 63 reduction, while the Dyson Supersonic is offered at 229.99, down 100 from its usual 329.99 price.

The Casamaa model is advertised with a high-speed AC motor and ionic technology intended to speed drying while reducing frizz and heat damage. The package includes two concentrator nozzles, a brush attachment and a diffuser, and the device offers multiple heat and speed settings as well as a cool shot. The product description also highlights features such as removable filters, overheat protection and a warranty that begins with six months of coverage and can be extended to a year. A customer review posted on the product page praised the dryer’s power and light weight, saying it dried long hair in under five minutes.

Retail descriptions present the Casamaa dryer as a more affordable option for consumers who find the Dyson Supersonic’s regular price prohibitive. The Dyson Supersonic,...