Shark FlexStyle Next-Gen IonCurl 5-in-1 Hair Styler HD840PU

Styler: Shark FlexStyle Next-Gen IonCurl HD840PU combines a hair dryer with interchangeable curl, smoothing, brush, and concentrator attachments. Its claimed 1,700-watt motor and four heat levels suit buyers looking to dry and style with one tool, the listing also describes Scalp Shield and cool-air controls.

At a glance

Includes two curl barrels that wrap hair using Coanda airflow, with left- and right-direction barrels.
Scalp Shield mode is described as lowering the temperature while drying, the listing specifies four heat levels up to 203°F.
AirSet control can pause airflow or provide a burst of cool air.
The listing says the tool can be used across straight, wavy, curly, and coily hair textures.

Price

$249.00Save 29%

Reference price: ~~$349.99~~

Price checked: Nov 11, 2026

View offer Ahead of Black FridayExplore the selection

Often bought together

Adworte Travel Carrying Case for Shark Hair Dryer Flexstyle FlexFusion Airwrap Brush Double-Layer Hair Accessories Tools Storage Bag for Revlon Hairdryer Styler Organizer

$26.99

Pros and cons

Pros

Drying and several styling tasks are combined in one tool, with curlers, a smoothing polisher, oval brush, and concentrator listed as included.
Two curlers are supplied, with opposite curl directions intended to suit each side of the head.
At 1.5 lbs according to the product description, the listed weight may suit buyers who prefer a lighter styling tool.

Cons

The listed package does not include the curl-defining diffuser, wide-tooth comb, round brush, or paddle brush, these are described only as compatible extra attachments.

Technical specifications

10 specifications

Identity and power
Brand	SharkNinja
Motor power	1,700-watt motor
Cord length	8-foot cord
Weight	1.5 lbs

Styling and controls
Heat settings	4 heat levels up to 203°F
Curl attachments	(2) 1.25in Coanda Auto-Wrap Curlers
Airflow control	Double-tap to pause airflow mid-style or hold down for a burst of cool air that locks your look in place.

Dimensions and installation
Dimensions listed	1.49 x 1.49 x 1.49 inches; 1.5 pounds

Model and support
Model	HD840PU
Warranty	2-year limited warranty

What to know before buying

Listing details to confirm

The listing is inconsistent about the number of functions: the title calls it 5-in-1, while the description says 4-in-1, it also gives different weight formats (1.5 lbs and 1.5 pounds) and dimensions of 1.49 x 1.49 x 1.49 inches. Confirm the exact configuration and dimensions for the selected listing. Claims of no heat damage, faster drying, and curl performance are manufacturer claims, not independently verified here.

Who is it for?

A good fit for

Shoppers wanting one tool for drying, Coanda curling, and brush-based styling.
People seeking a multi-styler with a stated Scalp Shield mode and a cool-air control.
Buyers whose hair texture or styling routine can make use of the included curlers, oval brush, polisher, and concentrator.

Less suited to

Shoppers who specifically need a diffuser, wide-tooth comb, round brush, or paddle brush in the package.
Anyone who needs confirmed performance or exact measurements beyond the listing’s claims and details.

Shark FlexStyle Next-Gen IonCurl 5-in-1 Hair Styler HD840PU · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 161 ratings

5 stars84%84%
4 stars5%5%
3 stars4%4%
2 stars2%2%
1 star5%5%

Customer feedback reports effective styling and smoother, healthier-looking hair, while drying speed and how long results last receive mixed reactions. Opinions on value are also divided. The aggregate rating is 4.6 out of 5 from 161 global ratings, but ratings alone do not explain individual experiences, buyers should weigh the reported variation against their need for drying speed and lasting styles.

Positive themes

Customers describe the tool as effective and report smoother, healthier-looking hair.

Mixed feedback

Feedback is divided on drying time and whether results last through the day.
Customers disagree on whether the product is worth the money.

Frequently asked questions

What attachments are listed as included?

The listing names two 1.25-inch Coanda Auto-Wrap Curlers, a FrizzFighter High Shine Polisher, an Oval Brush, and a Styling Concentrator.

Are the diffuser and other brush attachments included?

No, the listing describes a curl-defining diffuser, wide-tooth comb, round brush, and paddle brush as compatible extra attachments, not as included items.

What heat controls does it have?

The listing specifies four heat levels up to 203°F, Scalp Shield mode, and a cool-air control that can pause airflow or provide a burst of cool air.