Save $100 on Dyson Airstrait Wet-to-Dry Straightener

Costco.com has the Dyson Airstrait Wet-to-Dry Straightener for $379.99, down from the original $479.99. The deal includes a $100 manufacturer’s savings valid from September 9 through October 2, 2026, while supplies last. This stylener offers two modes — wet-to-dry and dry — with no hot plates or heat damage, and it claims to reduce styling time by an average of 25%. Finish with the included Omega™ Hydrating Hair Oil to nourish hair, smooth frizz, and boost shine.

This represents a significant price drop and a notable savings for a high-end Dyson styling tool. The deal is limited to five per member and is time-sensitive, making it a worthwhile alert for anyone interested in premium hair styling technology.