Introduction
This manual provides essential instructions for the safe and effective use of your Conair Radiance Boost 1875W Hair Dryer, Model 412. This appliance is designed to provide efficient hair drying and styling with advanced nano-quartz and ionic technologies for enhanced shine and frizz control. Please read all instructions carefully before use and retain this manual for future reference.
Important Safety Information
When using electrical appliances, especially when children are present, basic safety precautions should always be followed, including the following:
- DANGER – Any appliance is electrically live even when the switch is off. To reduce the risk of death or injury by electric shock:
- Always unplug appliance immediately after using.
- Do not use while bathing or in a shower.
- Do not place or store appliance where it can fall or be pulled into a tub or sink.
- Do not place in or drop into water or other liquid.
- If an appliance falls into water, unplug it immediately. Do not reach into the water.
- WARNING – To reduce the risk of burns, electrocution, fire, or injury to persons:
- An appliance should never be left unattended when plugged in.
- Close supervision is necessary when this appliance is used by, on, or near children or individuals with certain disabilities.
- Use this appliance only for its intended household use as described in this manual. Do not use attachments not recommended by the manufacturer.
- Never operate this appliance if it has a damaged cord or plug, if it is not working properly, or if it has been dropped or damaged, or dropped into water. Return the appliance to an authorized service center for examination and repair.
- Keep the cord away from heated surfaces. Do not pull, twist, or wrap cord around appliance.
- Never block the air openings of the appliance or place it on a soft surface, such as a bed or couch, where the air openings may be blocked. Keep the air openings free of lint, hair, and the like.
- Never use while sleeping.
- Never drop or insert any object into any opening.
- Do not use outdoors or operate where aerosol (spray) products are being used or where oxygen is being administered.
- Do not use an extension cord with this appliance.
- Do not direct hot air toward eyes or other heat-sensitive areas.
- Attachments may be hot during use. Allow them to cool before handling.
- Do not place appliance on any surface while it is operating.
- While using the appliance, keep your hair out of the air inlets.
- Do not use with a voltage converter.
This appliance has a polarized plug (one blade is wider than the other). As a safety feature, this plug will fit in a polarized outlet only one way. If the plug does not fit fully in the outlet, reverse the plug. If it still does not fit, contact a qualified electrician. Do not attempt to defeat this safety feature.
Product Features
- Nano-Quartz and Ionic Technologies: Designed to smooth frizz, enhance shine, and leave hair silky.
- Ceramic Technology: Provides gentle, even heat to minimize hot spots and reduce potential heat damage.
- 1875-Watt Motor: Delivers powerful airflow for fast drying.
- 3 Heat Settings / 2 Speed Settings: Customizable control for various hair types and styling needs.
- Cool Shot Button: Locks in styles for long-lasting results.
- Folding Handle: Allows for compact storage and easy portability, ideal for travel.
- Included Attachments: Concentrator for sleek, smooth styles and Diffuser for enhancing natural waves and curls.


What's in the Box
Your Conair Radiance Boost Hair Dryer package includes the following items:
- Conair Radiance Boost 1875W Hair Dryer (Model 412)
- Concentrator Attachment
- Diffuser Attachment
- Storage Bag

Setup
- Unpack: Carefully remove all components from the packaging. Ensure all items listed in "What's in the Box" are present.
- Unfold Handle: If the handle is folded for storage, gently unfold it until it clicks securely into place.
- Attach Accessories:
- Concentrator: For focused airflow, align the concentrator nozzle with the front barrel of the dryer and push it firmly into place.
- Diffuser: For enhancing curls and waves, align the diffuser with the front barrel and push it firmly into place.
- Plug In: Insert the polarized plug into a suitable electrical outlet (125V AC). Ensure the outlet is compatible with the appliance's voltage.
Operating Instructions
Your Conair Radiance Boost Hair Dryer features intuitive controls for customized styling.

- Power On/Off and Speed Settings: Locate the ON/OFF switch, typically on the handle.
- OFF: Appliance is off.
- LOW: Gentle airflow for delicate drying or styling.
- HIGH: Strong airflow for fast drying.
- Heat Settings: Use the heat switch to select your desired temperature.
- COOL: For setting styles and adding shine.
- WARM: For general drying and styling.
- HOT: For fast drying and initial styling.
- Cool Shot Button: Press and hold the "COOL" button to deliver a burst of cool air. This helps to set your style and add lasting hold. Release the button to return to the selected heat setting.
- Using the Concentrator: Attach the concentrator for precise styling. Direct the airflow to specific sections of hair for smooth, sleek results.
- Using the Diffuser: Attach the diffuser to gently dry and enhance natural curls and waves. Place sections of hair into the diffuser bowl and lift towards the scalp.
Maintenance
Regular maintenance ensures optimal performance and extends the life of your hair dryer.
- Cleaning the Air Filter:
- Ensure the dryer is unplugged and completely cool.
- Gently twist or pull off the rear filter cover (refer to diagram if available).
- Use a soft brush or vacuum cleaner to remove any accumulated lint, dust, or hair from the filter.
- Replace the filter cover by twisting or pushing it back into place until secure.
- Clean the filter regularly, especially if you notice reduced airflow or increased noise.
- General Cleaning:
- Wipe the exterior of the dryer with a damp cloth. Do not use abrasive cleaners or solvents.
- Ensure no water enters the internal components.
- Storage:
- Unplug the appliance and allow it to cool completely.
- Fold the handle for compact storage.
- Store the dryer and its attachments in a dry, safe location, away from children.
- Do not wrap the power cord tightly around the dryer, as this can damage the cord. Loop it loosely.
Troubleshooting
If you encounter issues with your Conair Radiance Boost Hair Dryer, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Dryer does not turn on. | Not plugged in; power outlet issue; internal circuit breaker tripped. | Ensure the dryer is securely plugged into a working outlet. Check your household circuit breaker. |
| Dryer stops working during use. | Overheating protection activated. | Unplug the dryer and allow it to cool for 10-15 minutes. Check and clean the air filter for blockages. |
| Weak airflow or unusual noise. | Blocked air filter or air inlets. | Unplug the dryer and clean the rear air filter. Ensure no hair or debris is blocking the air inlets. |
| Hair is not drying effectively. | Incorrect heat/speed setting; improper technique. | Adjust to a higher heat or speed setting. Ensure you are using appropriate styling techniques for your hair type. |
If the problem persists after attempting these solutions, discontinue use and contact Conair Customer Service.
Specifications
- Model: 412
- Power: 1875 Watts
- Voltage: 125V AC
- Dimensions: 7.5 x 2.6 x 7.9 inches (unfolded)
- Weight: 1.5 Pounds
- Technology: Nano-Quartz Ceramic, Ionic
- Attachments: Concentrator, Diffuser
- UPC: 074108501592
Warranty and Support
Conair provides a limited warranty for this product. For specific warranty details, registration, or customer support, please refer to the warranty card included with your purchase or visit the official Conair website. Do not attempt to repair this appliance yourself.
For further assistance, you may contact Conair Customer Service through their official channels.





