With its detachable oval brush, bonus volume pik, and lightweight build, this budget-friendly hot air brush makes daily styling easy — though it’s better suited for fine to medium hair rather than thick or dense strands.
BeautiLAB Overall: 4.3 out of 5
The InfinitiPRO by Conair The Knot Dr. All-In-One Oval Dryer Brush offers a simple, affordable approach to styling with a large 2.8″ oval barrel, ceramic coating, and ionic technology for smoother results. It includes an extra volume pik attachment for root lifting and features a detachable design, making it a compact option for travel and storage. While it doesn’t have multiple speed controls or advanced temperature regulation, it delivers consistent airflow and solid everyday performance — ideal for basic blowouts at home.
If you’re exploring more options, check out our top-rated picks for the best hot air brushes to see how it compares.
Who It’s For:
The InfinitiPRO by Conair The Knot Dr. All-In-One Oval Dryer Brush is best for:
✅ Fine to medium hair types
✅ Users who want quick, basic blowouts with minimal pulling
✅ People who need gentle detangling without breakage or tugging
✅ Those looking for a travel- and storage-friendly tool
✅ Users who want easy root lift with the included volume pik
✅ Budget-conscious buyers seeking a reliable, everyday styling option
I🚫 Who Should Skip It:
❌ Very thick, coarse, or long hair — lower wattage and moderate airflow may struggle with dense textures
❌ Users seeking ultra-sleek, polished finishes — designed more for soft volume and smoothing than salon-flat styles
What Sets the Knot Dr. Apart:
- Detachable oval brush design – Easier storage and travel compatibility
- Volume pik attachment – Boosts root lift without needing to switch tools
- Large 2.8″ oval barrel – Covers more hair per pass for quicker styling
- Tourmaline ceramic coating – Helps minimize frizz and prevent damage
- Ionic technology – Enhances shine and smoothness
- Use handle as a mini dryer – Dry damp hair without attachments for faster prep
- Detachable filter – Makes cleaning and maintenance easier over time
- Velcro strap – Helps keep the cord neatly stored
- Sparsely placed bristles – Prevent hair breakage and ensure a smoother, gentler drying experience for fragile or fine strands
- Optional 5 extra attachments (sold separately) – Expand styling possibilities beyond blowouts, offering more versatility if needed
While it doesn’t offer variable speed settings or dual voltage, it’s a strong value pick for simple, fast blowouts on everyday hair.
Key Specs at a Glance
| RRP: $50 | Barrel shape: oval |
| Barrel width: 2.8″ | Barrel material: tourmaline ceramic |
| Weight: 17 oz | Cord length: 6 ft |
| Heat settings: 140°F / 210°F | Noise level: 93 dBA |
| Wattage: 1000 watts | Voltage: 125 volts (single voltage) |
| Model name: BC116 | Warranty: 3 year |
Performance Breakdown
| Category | Score (1–5) | Notes |
|---|---|---|
| Heat Power | ⭐⭐⭐⭐☆ (4) | Good for fine to medium hair; not hot enough for very coarse textures |
| Ease of Use | ⭐⭐⭐⭐☆ (4) | Intuitive controls, lightweight |
| Grip & Control | ⭐⭐⭐⭐☆ (4) | Slightly thick handle but manageable |
| Styling Range | ⭐⭐⭐☆☆ (3) | Limited — no speed adjustment, one main brush size |
| Frizz Control | ⭐⭐⭐⭐☆ (4) | Ionic technology helps smooth strands |
| Travel Friendly | ⭐⭐⭐⭐☆ (4) | Detachable body, compact for packing |
What We Like ✅
✨ Design & Build
✅ Large 2.8″ oval barrel – Smooths and volumizes efficiently
✅ Detachable design – Convenient for travel and storage
✅ Bonus volume pik – Adds root lift with minimal effort
✅ Tourmaline ceramic coating – Promotes even heat distribution and enhances shine
✅ Sparsely placed bristles – Gently detangle knots without pulling or breakage
✅ Velcro strap – Keeps the cord neatly organized
💡 Performance & Technology
✅ Ionic technology – Reduces frizz and boosts smoothness
✅ Detachable filter – Easier maintenance for long-term durability
✅ Gentle heat settings – Low setting (~140°F) is suitable for delicate or fine hair
🔌 Ergonomics & Convenience
✅ Handle can double as a mini dryer without attachments
✅ Comfortable grip – Easy to maneuver during quick styling sessions
✅ Travel- and storage-friendly – Detachable design makes it compact for packing
🎯 Versatility
✅ Very versatile – Multiple attachments (sold separately) available for different styling needs
✅ Extra volume pik included – Quickly adds root lift for added fullness
What We Don’t Like ❌
⚡ Power & Heat
❌ No adjustable speed settings – Only heat levels (low, high, cool) with the same airflow
❌ Moderate wattage (1000W) – May not fully dry very thick or coarse hair quickly
❌ Doesn’t create super sleek results – Better for volume and smoothness than ultra-polished finishes
🖐️ Ergonomics
❌ Heavier than average (17 oz) – Can feel tiring during extended styling sessions
❌ Thick handle – May be difficult to hold comfortably, especially for smaller hands
❌ Long tool length (15″) – Harder to maneuver for precise or root-focused styling
🔧 Features & Portability
❌ No dual voltage – Not suitable for international travel
❌ Bristles can bend or lose shape over time with heat exposure
❌ No sound or heat-ready indicators – Must rely on timing and feel
❌ Short 6-ft cord – Limits mobility compared to longer, salon-style cords
✨ Design & Build
The InfinitiPRO by Conair The Knot Dr. All-In-One Oval Dryer Brush features a large 2.8″ oval barrel, one of the widest among hot air brushes, designed to cover more hair in a single pass for faster styling. The brush section measures 4″ long, offering excellent surface area for smoothing and volumizing medium to long hair efficiently.
Its barrel is coated with tourmaline ceramic, which helps distribute heat evenly and minimize damage, while ionic technology works to reduce frizz and boost shine. However, unlike some premium models, the Knot Dr. has sparsely placed bristles — designed specifically to detangle hair gently without pulling, tugging, or causing breakage. The combination of 1 cm tufted bristles and 1.7 cm nylon pins provides light grip but doesn’t offer strong tension for thick, coarse hair.
The detachable design adds travel convenience, and the included volume pik attachment allows users to lift roots without needing a separate tool. Although the oval barrel is effective for adding volume and smoothing, it’s not ideal for creating defined curls or intricate styles.
Overall, the Knot Dr. is best suited for users looking for quick, basic blowouts with minimal pulling — rather than highly polished or shaped finishes.
💡 Performance & Technology
The Knot Dr. Oval Dryer Brush keeps things simple with three basic heat settings (cool, low, and high), all delivering the same airflow strength. There’s no adjustable speed control, and the motor output is 1000W, which is adequate for fine to medium hair but slower when tackling dense or coarse textures.
We tested the heat levels during extended use:
- Low heat setting (~140°F) – Ideal for delicate, fine, or damaged hair
- High heat setting (~210°F) – Strong enough for smoothing medium-density strands
Thanks to its tourmaline ceramic coating and ionic technology, the brush helps reduce static, minimize frizz, and leave hair shinier after styling. However, it’s important to note that there are no smart sensors or heat indicators, so users must rely on feel and experience to judge heat readiness.
The handle temperature remained comfortable during testing, averaging 100°F even after extended use, which is cooler than average for this category and adds to the user comfort.
While it’s not the most powerful or advanced brush on the market, the Knot Dr. offers reliable everyday styling performance for those who prioritize simplicity, gentle heat, and quick detangling.
🔌 Ergonomics & Convenience
The InfinitiPRO Knot Dr. All-In-One is built for simplicity and practicality, though it does have some ergonomic trade-offs.
At 15 inches long and 17 oz in weight, it’s heavier and longer than average, which may feel bulky for users trying to style shorter hair, reach roots precisely, or style for longer periods.
The 1.7″ handle width offers a secure grip, but it feels thicker compared to slimmer models like the Drybar Half Shot. It may cause some hand fatigue during longer sessions, especially for users with smaller hands.
Noise levels were measured at 93 dBA, which is moderate compared to other hot air brushes. It’s noticeable but not overly disruptive.
The brush comes equipped with a 6-ft swivel cord (shorter than salon-standard cords) and a Velcro strap for neat storage. It also features a detachable filter, making it easier to clean lint and extend motor life — a thoughtful addition not always found in budget models.
Like most hot air brushes, the Knot Dr. operates on single voltage (125V), making it fine for domestic use but unsuitable for international travel without a converter.
🔄 How It Compares
If you’re exploring alternatives to the InfinitiPRO by Conair The Knot Dr. All-In-One Oval Dryer Brush, a few other hot air brushes are worth considering depending on your styling priorities.
The InfinitiPRO by Conair The Knot Dr. Smoothing Dryer Brush is similar in spirit but uses a padded, cushioned paddle brush rather than an oval barrel. It’s a better pick for pure smoothing and detangling, offering gentler airflow for fine to medium hair. However, it lacks the root-lifting capability and volume boost that the Oval Knot Dr. can achieve with its rounder shape and bonus volume pik.
The Bed Head Blow Out Freak delivers a more aggressive blow-drying experience with higher heat output and stronger airflow. Its barrel is ceramic coated and infused with tourmaline, but the brush is heavier, louder (95 dBA), and better suited for users with medium to thick hair who want more dramatic volume. Compared to the Knot Dr., it feels bulkier and may cause more pulling if hair isn’t sectioned carefully.
The REVLON Original One-Step Volumizer remains one of the most popular budget picks for thick, coarse hair. It offers a stronger airflow and higher heat levels than the Knot Dr., making it better suited for users who need fast, aggressive drying. However, the Revlon is heavier (around 19 oz), louder, and less gentle — meaning it’s not the best match for users with fine or damage-prone hair who need softer, safer styling.
Each tool has its strengths, but the InfinitiPRO by Conair Knot Dr. All-In-One Oval Dryer Brush stands out for users who prioritize gentle detangling, lightweight handling, and budget-friendly everyday blowouts — especially if you value root lift and smoothness without heavy pulling.
| Model | Best For | Pros | Cons |
|---|---|---|---|
| InfinitiPRO by Conair The Knot Dr. All-In-One Oval Dryer Brush | Quick, basic blowouts on fine to medium hair | Lightweight, gentle detangling, travel-friendly, root lift (volume pik) | Not powerful enough for very thick or coarse hair |
| InfinitiPRO by Conair The Knot Dr. Smoothing Dryer Brush | Gentle smoothing and detangling | Cushioned paddle brush, lightweight, easy on fine hair | Less volume, no root lift, not great for thick hair |
| Bed Head Blow Out Freak | Voluminous, textured blowouts for thicker hair | Strong airflow, higher heat, fast results on dense hair | Heavier, louder, can be harsh on fragile hair |
| REVLON Original One-Step Volumizer | Fast drying for medium to thick hair | Strong heat and airflow, iconic budget choice | Heavy, noisy, rougher on fine or delicate hair |
🏁 Final Verdict: A Gentle, Budget-Friendly Option for Quick, Everyday Blowouts
The InfinitiPRO by Conair The Knot Dr. All-In-One Oval Dryer Brush is a solid pick for users who want easy, no-fuss styling without risking heat damage or breakage. Its large 2.8″ oval barrel smooths and adds volume efficiently, while the sparsely placed bristles offer gentle detangling — making it particularly appealing for fine to medium hair types.
While it doesn’t offer the power, precision, or ultra-sleek results of higher-end brushes like the T3 AireBrush Duo or the Amika 2.0, it excels at basic blowouts, root lifting, and soft smoothing. The detachable design, volume pik accessory, and budget-friendly price tag make it an attractive everyday tool, especially for users who prioritize lightweight handling, travel convenience, and gentler airflow over aggressive drying power.
If you’re looking for a simple, affordable brush for daily blowouts with less pulling, less frizz, and more shine, the Knot Dr. delivers — with bonus points for its detachable filter and compact build that many similarly priced models skip.
