Effect of platelets-rich plasma on scalp hair diameter

Summary

Objectives

To measure the effects of platelet-rich plasma (PRP) on hair diameter in Pakistani population.

Materials and methods

The study was conducted in a private setup in the adult patients undergoing PRP treatment. Baseline platelets count was noted for each patient. PRP was prepared using a commercial kit. Three PRP injections were administered in the scalp at 0, 1, and 3 months of interval. The hair caliber was measured in the mid-scalp area using a separate stencil for each patient. The diameter of 10 hair (1 cm sq) was measured randomly using the caliper (2 hair on each side of the square and 4 in the center). After 6 months of 3rd injection, the hair caliber was measured and the results were analyzed statistically using Mann-Whitney's test.

Results

Seven men and 3 women were included in the study. The mean age of the patients was 24.2 years (26.3 years in males and 19.3 in females). The average platelets count was found to be 283,580/μL. The mean hair caliber was 37.3 μm (39.1 μm in men and 33.0 μm in women). At the end of the study, the mean hair caliber was found to be 52.3 μm (P < .01). The mean hair caliber was 53.9 μm in men and 48.7 μm in women (P < .01). The increase in the hair caliber was noted to be 27.5% more in men and 31.3% more in women (P < .01).

Conclusion

The PRP injections can increase the hair diameter.

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