In hair transplantation, creating small incisions in the transplant area and implanting follicular units into these incisions is a crucial step. The method of creating these small scars or incisions on the scalp is a significant factor in the success of hair transplantation. Various elements such as depth, angle, size, and direction need to be considered. There are several tools for making these incisions, with traditional scalpels and sapphire blades, also known as Sapphire FUE, being widely used. In this article, we'll explore recent interesting research on these two tools.
Sapphire Blade 
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Comparison of Scalpel and Sapphire Blades in Hair Transplantation
Minimizing scars in hair transplantation is crucial for increasing the graft survival rate. In a study involving 12 male patients, the researchers compared the extent of tissue damage using different blades by dividing the hair transplant area into two sections.
The authors used a laser Doppler flowmeter to measure the impact of local anesthesia and adrenaline-containing swelling fluid on blood vessels, quantitatively analyzing and comparing how much the scalp tissue was damaged.
The results of this study showed that traditional scalpels cause significantly less tissue damage compared to sapphire blades.
Which Method is More Favorable?
While sapphire blades offer advantages such as the ability to use standardized products and being less dependent on the expertise of the medical team, this research indicates that, concerning tissue damage, traditional scalpels appear to be more advantageous.