Shark

Shark FlexFusion Ceramic Air Styler, Straightener+Curler, Blush, HD641S | Style-Safe Tech: Zero Hot Tool Damage, Scalp Shield Mode, Straightens in One Pass

$375.99
2K+ bought in past month
Last updated Nov 4, 2026 at 7:57am
Shark

About this product

About this item FLEXFUSION STYLE-SAFE TECHNOLOGY: Powerful air + heat-controlled ceramic fuse together for no heat damage styling and hot tool results. in wet-to-dry mode
STYLE WET HAIR: Easily dry and style wet hair with no heat damage.
RE-STYLE DRY HAIR: Achieve stunning blowouts as they are on a typical wash day.
SCALP SHIELD: Developed by dermatologists. Approved by stylists. Activate to instantly adjust temperatures and protect your scalp from extreme heat. Designed for ultra-fast wet-to-dry styling with less heat exposure to protect 100% of new hair health.
WET TO HOT TOOL FINISH WITH NO HEAT DAMAGE: Transform your hair from wet to silky straight with ZERO hot tool damage in wet-to-dry mode
WET OR DRY FUSION AIR STRAIGHTENER: Get silky, shiny, and smooth results for both wet and dry hair any day. Its innovative design combines powerful airflow and heat-controlled ceramic to straighten wet hair in as little as one pass with no heat damage. *in wet-to-dry mode

Editor's Take

Shark’s FlexFusion Ceramic Air Styler combines drying, straightening, brushing, and curling in one tool. Amazon reviewers say it can dry, straighten, and curl hair in about 10 minutes, leaving strands sleek, shiny, and healthier-looking. They particularly praise its versatility, frizz control, quick styling, and glossy finish.

Best Buy reviewers likewise praise the strong airflow and fast performance, including on thicker hair. Users say the tool can replace several separate styling devices and appreciate its stable temperature and scalp-friendly operation. Some reviewers note that it maintains volume rather than producing the ultra-flat finish of a traditional iron.

There are trade-offs. Best Buy reviewers describe the unit as somewhat bulky, heavy, and noisy, with a thick power cord; people with smaller hands may find it harder to handle. Users also report a learning curve, especially when getting accustomed to the attachments. Amazon reviewers are divided on value, with some calling it worth the investment and others considering it overpriced. Reliability feedback is mixed as well, with some customers reporting excellent performance and others saying the device stopped working repeatedly.

YouTube reviewers show the FlexFusion being used as a wet-to-dry styler with its ceramic air straightener, fusion brush, auto-wrap curlers, and concentrator. Reviews highlight fast heating, smooth and shiny results, and frizz reduction, while noting that achieving very sleek roots can require more than one pass.

Overall, the HD641S appeals to shoppers who want one powerful, multifunctional tool for quicker styling and reduced counter clutter. Its versatility and finish are strong points, but the premium price, bulkier design, learning curve, and mixed reliability reports deserve consideration.

Price History

Specifications

Ionic No
Cool Shot No
Dual Voltage No

Product Details

Product Dimensions 1.69 x 1.61 x 10.79 inches; 1.74 pounds
Item model number HD641S
UPC 622356642200
Manufacturer SharkNinja
ASIN B0DGQSL9KR
Best Sellers Rank #24,028 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #11 in Hair Multi-Stylers
Customer Reviews 4.4 4.4 out of 5 stars (997)

Videos

Review Shark FlexFusion Hair Straightener & Powerful Hair Dryer with Fusion Hair Brush, Ceramic Air