NovaSteam YH-S4 High-Speed Ionic Hair Dryer with Diffuser

NovaSteam YH-S4 is a high-speed ionic hair dryer listed with a diffuser, four heat modes, and a removable magnetic nourishing-oil attachment. Its claimed 160,000 RPM motor and temperature sensing are manufacturer specifications, not independently verified performance results.

At a glance

Four selectable modes are listed: Cold, Warm, Hot, and Nourishing, with LED indicators.
The listing describes a removable magnetic nourishing-oil attachment and a dedicated curly-hair diffuser.
A temperature sensor is claimed to monitor air temperature over 110 times per second and automatically adjust heat output.

Price

$38.99Save 35%

Reference price: ~~$59.98~~

Price checked: Nov 14, 2026

View offer Ahead of Black FridayExplore the selection

Pros and cons

Pros

The listed diffuser and magnetic attachment offer options for curly-hair styling and the product's nourishing-oil mode.
Four named heat modes include a cold setting as well as warm, hot, and nourishing options.
The listed weight is 10.56 ounces, a specific reference for buyers comparing dryer weight.

Technical specifications

9 specifications

Identity
Brand	NovaSteam
Model	YH-S4

Dimensions and weight
Dimensions listed	3.54 x 3.54 x 9.45 inches; 10.56 ounces

Motor
Motor type	Brushless motor
Motor speed	160,000 RPM

Heat and controls
Heat modes	Cold, Warm, Hot, and Nourishing
Temperature monitoring claim	Monitors air temperature over 110 times per second

Care and attachments
Ion output claim	500 million negative ions
Attachment	Curly hair diffuser

What to know before buying

The advertised short- and long-hair drying times, heat protection, oil infusion results, and safety benefits are manufacturer claims, not established outcomes. The nourishing mode and oil device are described, but the listing does not specify an oil cartridge quantity or oil contents.

Who is it for?

A good fit for

Buyers seeking a dryer listing a diffuser for curly-hair styling.
People who want multiple heat modes and an additional magnetic oil-related attachment.

Less suited to

Buyers who need independently verified drying-time, hair-care, or temperature-control performance.
Buyers who require a stated oil cartridge quantity or details of the included oil.

NovaSteam YH-S4 High-Speed Ionic Hair Dryer with Diffuser · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.9 / 5 · 16 ratings

5 stars91%91%
4 stars9%9%
3 stars0%0%
2 stars0%0%
1 star0%0%

Aggregate ratings are strongly positive, but the available evidence includes no customer comments, so it does not reveal what buyers liked or any specific concerns. Treat the rating as limited context rather than confirmation of the claimed drying speed, ionic effects, diffuser performance, or temperature control.

Frequently asked questions

What heat settings are listed?

The listing names Cold, Warm, Hot, and Nourishing modes, with LED indicators.

Does it include a diffuser?

The product listing claims a dedicated curly-hair diffuser. The supplied package inventory is empty, so confirm the selected listing's kit before purchase.

How fast is the motor?

The listing claims a 160,000 RPM brushless motor. This is a manufacturer specification, not an independently verified measurement.

What does the nourishing attachment do?

The listing describes a removable magnetic attachment with an oil device intended to introduce nourishing ingredients into the airflow. It does not specify oil contents or a cartridge quantity.