Pros

  • โ€ขEnhances natural curls effectively
  • โ€ขWorks well with wavy, curly, and coily hair types

Cons

  • โ€ขNot compatible with certain models
  • โ€ขDoes not fit properly on some blow dryers
  • โ€ขSome users didn't like the results they achieved
  • โ€ขPotential reliability issues, turning off after 15 minutes

Bottom Line

The Shark XSKHD4DA FlexStyle Curl-Defining Diffuser is well-regarded for enhancing curls and is loved by many for its performance. However, a significant number of users have reported compatibility and fitting issues with certain blow dryers. It's a fantastic option if you can ensure compatibility with your existing Shuttle models, but you may want to double-check the fit before purchasing.

Lowest at any Popular Retailer
$25.48 at Amazon
Get ShopSavvy
ShopSavvy is totally free and works on all popular phones and browsers
Download ShopSavvy App

Compare prices for anything in real-time, set price alerts, watch for deals by keyword, and much more

Install ShopSavvy Browser Extension

Compare and track prices automatically while you shop online at thousands of websites.

ยฉ 2025 Monolith Technologies, Inc. All rights reserved..