* Blade Design: Beard trimmers are designed for shorter, finer hair. Their blades are often smaller and more closely spaced than those of hair clippers, making them less effective at cutting through thicker, longer hair evenly.
* Cutting Length Limitations: The QT 4085 is intended for trimming beard hair to specific lengths, not for achieving the overall cut length needed with general hair clipping. The beard length settings might not provide the ranges needed for desired hairstyles.
* Motor Strength: Beard trimmers often have less powerful motors than hair clippers. This can lead to tugging, uneven cuts, and a slower, more frustrating experience when used on thicker hair.
* Overheating: Using a beard trimmer on a larger area like the head can cause the trimmer to overheat quickly.
In summary: You *could* use it in a pinch for very short hair or for tidying up around the edges. But if you are looking to give a proper haircut I would not recommend it. A dedicated hair clipper will provide a far better and more efficient result.
Alternatives:
If you need to cut your hair, consider using a dedicated hair clipper. They are designed specifically for the task and will provide a much better result. You can find affordable hair clipper sets online or at most retailers.