1. Product Overview
The Philips PrecisionPerfect HP6390/51 is a compact, battery-powered precision trimmer designed for women. It provides a gentle and precise solution for removing unwanted facial hair and shaping eyebrows. Its small size makes it convenient for travel and quick touch-ups.

Image 1.1: Philips PrecisionPerfect HP6390/51 Trimmer and accessories in retail packaging.
Key Features:
- Precision Trimming Head: For quick and gentle removal of fine facial hair.
- Eyebrow Shaping Attachments: Includes two comb attachments (2mm and 4mm) for precise eyebrow trimming and shaping.
- Compact and Portable Design: Ideal for discreet use and travel.
- Battery Operated: Powered by one AA battery (included).
- Accessories: Comes with a travel cap and a cleaning brush for hygiene.
2. Safety Information
Please read all safety instructions before using the appliance to prevent injury or damage.
- Always hold the trimmer gently and use it carefully on the face, lips, and eyebrows to avoid skin irritation.
- Do not use the trimmer near water or while charging to prevent electrical hazards.
- Keep the appliance out of reach of children.
- Do not disassemble the appliance beyond what is instructed in this manual.
- If the appliance is damaged, do not use it. Contact customer support for assistance.
3. Setup
3.1 Battery Installation
- Twist the bottom part of the trimmer counter-clockwise to open the battery compartment.
- Insert one AA battery, ensuring the positive (+) and negative (-) terminals align correctly with the markings inside the compartment.
- Twist the bottom part clockwise to securely close the battery compartment.
3.2 Attaching Trimming Heads and Combs
- To attach the precision trimming head, align it with the main body and push it down until it clicks into place.
- For eyebrow shaping, select the desired comb attachment (2mm or 4mm). Slide the comb over the precision trimming head until it securely locks.

Image 3.1: Precision trimming head with protective cap.

Image 3.2: Precision trimming head with an eyebrow comb attachment.
4. Operating Instructions
4.1 Powering On/Off
To turn the trimmer on, slide the power switch located on the side of the device upwards. To turn it off, slide the switch downwards.
4.2 Facial Hair Removal
- Ensure your skin is clean and dry.
- Without any comb attachment, gently place the precision trimming head flat against your skin.
- Move the trimmer slowly and smoothly against the direction of hair growth.
- Apply light pressure. Do not press too hard to avoid irritation.
- This method is suitable for areas like the upper lip, chin, and cheeks.

Image 4.1: Using the trimmer for facial hair removal.
4.3 Eyebrow Shaping and Trimming
- Attach the desired eyebrow comb (2mm for shorter trim, 4mm for longer trim) onto the precision trimming head.
- Brush your eyebrows upwards or downwards to ensure all hairs are in position.
- Gently move the trimmer with the comb attachment against the direction of hair growth to trim hairs to a uniform length.
- For shaping, remove the comb and carefully use the edge of the precision trimming head to define the eyebrow line.

Image 4.2: Trimming eyebrows with the comb attachment.
5. Maintenance
5.1 Cleaning the Trimmer
- Turn off the trimmer before cleaning.
- Remove the trimming head from the main body.
- Use the provided cleaning brush to remove any trapped hairs from the trimming head and the inside of the trimmer body.
- The trimming head can be rinsed under warm running water. Ensure it is completely dry before reattaching. Do not rinse the main body of the trimmer.
- Reattach the clean, dry trimming head to the trimmer body.

Image 5.1: Cleaning the trimmer head with the included brush.
5.2 Storage
Store the trimmer in a dry place, away from direct sunlight and extreme temperatures. Use the travel cap to protect the trimming head when not in use or during travel.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Trimmer does not turn on. | Battery is dead or incorrectly inserted. | Check battery orientation. Replace with a new AA battery. |
| Trimmer is not cutting effectively or feels dull. | Trimming head is clogged with hair or worn out. | Clean the trimming head thoroughly with the brush. If the issue persists, the trimming head may need replacement. |
| Skin irritation after use. | Applying too much pressure or using on sensitive skin without proper preparation. | Use gentle pressure. Ensure skin is clean and dry. If irritation persists, discontinue use. |
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | HP6390/51 |
| Dimensions (L x W x H) | 5.5 x 0.75 x 0.75 inches |
| Weight | 1.92 ounces |
| Power Source | 1 x AA Battery (included) |
| Recommended Uses | Eyebrow, Face, Lip, Trimming |
| UPC | 075020068927, 075020032737 |
| Manufacturer | Norelco (Brand: Philips) |







