Research Interest

Intradermal injections of a hair growth factor formulation for enhancement of human hair regrowth – safety and efficacy evaluation in a first-in-man pilot clinical study

Shome D,Kapoor R



Research has shown the efficacy of hair growth factors in hair regrowth. We describe the intradermal injections of a recombinant, bioengineered hair formulation, containing growth factors, into the scalp skin, for enhancement of hair regrowth and evaluate its efficacy.


The objective of this study was to assess the efficacy and safety of the hair growth factor formulation in reducing hair loss and enhancing hair growth.


This was an open-label, prospective, single-arm interventional pilot study in which 1000 patients were given intradermal injections of a hair formulation into the scalp skin. The formulation contains vascular endothelial growth factor, basic fibroblast growth factor, insulin-like growth factor, keratinocyte growth factor, thymosin β4, and copper tripeptide-1 suspended in a sterile injectable vehicle. Intradermal injections of this hair formulation were injected into the scalp once every 3 weeks for a total of eight such sessions. Hair pull test was performed before every session. Videomicroscopic and global images were taken at baseline, fourth session, eighth session, and 2 months after the completion of the eight sessions. Relevant safety assessments through physical examination, questionnaires, and appropriate laboratory examination were conducted throughout the study.


Significant reduction in hair fall was seen in 83% of the patients on hair pull test. Videomicroscopic image evaluation showed that most patients had a decrease in the number of vellus hairs, increase in number of terminal hairs, and increase in shaft diameter. Seventy-five percent of the patients believed that the hair injections were aiding the treatment of their hair loss, and it was also beneficial in post-hair transplant patients. At 1 year, a statistically significant increase in total hair count (P = 0.002) continued to be seen. Treatment was well tolerated.


Intradermal injections of this hair formulation may be a promising option for treating male as well as female patterns of hair loss.

To cite this article:

Intradermal injections of a hair growth factor formulation for enhancement of human hair regrowth – safety and efficacy evaluation in a first-in-man pilot clinical study.

Kapoor R, Shome D.

J Cosmet Laser Ther. 2018 Feb 26:1-11. doi: 10.1080/14764172.2018.1439965. [Epub ahead of print]

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Dr. Debraj Shome

Dr. Debraj Shome is Director and Co founder of The Esthetic Clinics. He has been rated amongst the top surgeons in India by multiple agencies. The Esthetic Clinics patients include many international and national celebrities who prefer to opt for facial cosmetic surgery and facial plastic surgery in Mumbai because The Esthetic Clinics has its headquarters there.

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