| How heat is controlled | In Scalp Protect mode, a distance sensor adjusts heat. The manufacturer’s target is 55°C with the Gentle Air, Styling Concentrator and Smoothing Nozzle attachments. Actual temperature varies with conditions. | Korean HD331KR product information describes 1,000 temperature checks per second and heat control at or below 110°C. This differs from the Nural’s distance-based scalp adjustment. |
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These figures refer to different measurement points and control purposes; one is not simply half the other. Choose based on whether automatic heat reduction near the scalp matters to you. 다이슨 코리아 ↗ · 나비엠알오 ↗ |
| Changing attachments and settings | It recognizes attachments and remembers the heat and airflow settings you select. Scalp Protect mode overrides the last temperature setting when enabled. | Changing the head automatically selects recommended heat and airflow. Manual adjustments remain available when switching between the brush and finisher. |
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Both recognize attachments. Distinguish the Nural’s memory of individual settings from the Shark’s recommended settings. 다이슨 코리아 ↗ · 나비엠알오 ↗ |
| Volume and smoothing flyaways | The Flyaway Smoother tidies the surface, while the concentrator focuses air on a section. The Korean official reference bundle also includes a diffuser; check whether your selected offer includes it. | The HD331KR’s three tools are the QuickSmooth Brush, RapidGloss Finisher and Turbo Concentrator. The brush adds volume while drying; the finisher smooths flyaways on dry, straight or previously straightened hair. |
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Shark’s setup is straightforward if you want an attached brush for volume. To dry while keeping natural curls, look for a Dyson option that includes a diffuser. 다이슨 코리아 ↗ · SharkNinja ↗ · SharkNinja ↗ · 나비엠알오 ↗ |
| Heat, airflow and rated power | Korean official specifications list four temperature settings including cold air, three airflow settings and 1600W. Heat and airflow can be adjusted for drying and finishing. | The Korean retailer lists four temperature settings, three airflow settings and 1700W. Cool Shot reduces heat for finishing. |
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The basic adjustment counts are the same. A 100W difference alone does not establish that Shark dries hair faster. 다이슨 코리아 ↗ · 나비엠알오 ↗ · TechRadar ↗ |
| Putting it down or changing heads | Pause Detect turns off the heater and reduces airflow when the dryer is set down. It does not operate with the diffuser attached. | Heads attach with a locking mechanism and must be released. TechRadar’s reviewer found that attachments retained heat and needed time to cool before changing them. |
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The Nural’s automatic detection is useful if you repeatedly section your hair by hand. With Shark, account for the release mechanism and residual heat when changing heads. 다이슨 코리아 ↗ · Vacuum Wars ↗ · TechRadar ↗ |
| Vanity layout and handling | Korean official figures are a 1.8m cord and a listed weight of 0.66kg. Measure your working distance if the mirror is far from the outlet. | Korean HD331KR product information lists a 2.44m cord and 550g. The longer cord can help when the outlet is farther away. |
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Shark’s published cord length is 64cm longer. Because the weight figures lack a matched measurement of cord and attachment inclusion, the 110g difference is not treated as an equivalent reduction in wrist load. 다이슨 코리아 ↗ · 나비엠알오 ↗ |
| What to look for in real reviews | Vacuum Wars ranked the Nural highest after combining mechanical tests across several dryers. WIRED explains using an overseas diffuser bundle on thick, dense, curly hair. | The same Vacuum Wars comparison selected the SpeedStyle as a lower-cost option. TechRadar praised drying and finishing while noting a learning curve with the finisher and heat retained by attachments. |
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These are not tests of Korean models on the same person’s hair. Start with reviews whose hair type and attachments resemble your own needs, rather than relying on the ranking alone. Vacuum Wars ↗ · TechRadar ↗ · WIRED ↗ |
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