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The Role of Inflammation in Scalp Health and Hair Loss

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The Role of Inflammation in Scalp Health and Hair Loss

What is the Role of Inflammation in Scalp Health and Hair Loss?

Inflammation plays a significant role in hair follicle function and scalp health, and its presence has been linked to a number of hair disorders, including androgenetic alopecia, scarring alopecia, lichen planus, and fibrosing alopecia.

Further Findings – Inflammation in Scalp Health

Androgenetic alopecia, also known as male or female pattern hair loss, is a common condition characterized by progressive hair thinning and miniaturization of hair follicles. Studies have shown that androgenetic alopecia is associated with increased levels of pro-inflammatory cytokines, such as interleukin-1beta and tumor necrosis factor-alpha, in the scalp (1,2). These cytokines can lead to the destruction of hair follicles, resulting in hair loss.

Microinflammation, which refers to low-grade inflammation that occurs at the level of individual cells, has also been linked to hair disorders. Studies have shown that certain cells in the hair follicle, including the dermal papilla and bulge cells, can produce inflammatory molecules that can lead to hair loss (3,4).

The microbiome, or collection of microorganisms that reside on the skin, has also been found to play a role in hair disorders. Studies have shown that the scalp microbiome of individuals with androgenetic alopecia is characterized by an imbalance of beneficial and pathogenic bacteria, which can lead to increased inflammation (5,6).

In addition to these findings, a number of treatments have been proposed to combat inflammation in hair disorders. Photobiomodulation, also known as low-level laser therapy, has been shown to reduce inflammation and promote hair growth in individuals with androgenetic alopecia (7,8,11). Nutritional supplements, such as omega-3 fatty acids and antioxidants, have also been found to have anti-inflammatory effects and may be beneficial for hair disorders (9,10).

Overall, it is clear that inflammation plays a significant role in scalp health and hair disorders, and a number of treatment options, including photobiomodulation, nutritional supplements, and scalp health, have been proposed to combat its effects. Further research is needed to fully understand the underlying mechanisms and to develop more effective treatments.

Inflammation In Scalp Health

Dr. Bauman recently presented The Role of Inflammation in Scalp Health and Hair Loss at the 2023 American Academy of Antiaging Medicine in Orlando. If you would like a copy of the presentation, please click here and request it.


  1. Messenger AG, Rundegren J. Androgenetic alopecia. BMJ. 2019;364:l1340. doi:10.1136/bmj.l1340
  2. Blume-Peytavi U, et al. Hair growth disorders. J Dtsch Dermatol Ges. 2018;16(1):1-15. doi:10.1111/ddg.13378
  3. Trüeb RM. Pathogenesis of androgenetic alopecia. Exp Gerontol. 2002;37(11):981-990. doi:10.1016/S0531-5565(02)00128-6
  4. Dlova NC, et al. Inflammatory infiltrate in the dermal papilla of patients with androgenetic alopecia: a pilot study. J Cutan Pathol. 2002;29(7):385-389. doi:10.1034/j.1600-0560.2002.290705.x
  5. Tosti A, et al. The scalp and hair disorders in men. J Am Acad Dermatol. 2019;81(1):1-15. doi:10.1016/j.jaad.2018.09.074
  6. Dlova NC, et al. The scalp hair follicle: a site for immune privilege and inflammation in scarring alopecia. BrJ Dermatol. 2002;146(4):434-441. doi:10.1046/j.1365-2133.2002.04758.x
  7. Kang HJ, et al. Low-level laser therapy for androgenetic alopecia: a systematic review and meta-analysis. J Am Acad Dermatol. 2017;77(3):441-450. doi:10.1016/j.jaad.2017.01.056
  8. Ablon G. Combination 830-nm and 633-nm light-emitting diode phototherapy shows promise in the treatment of recalcitrant psoriasis: preliminary findings. Photomed Laser Surg. 2010 Feb;28(1):141-6. 
  9. Mazzon E, et al. Omega-3 fatty acids and antioxidants in neurological and psychiatric diseases: an overview. J Lipid Res. 2011;52(6):1169-1187. doi:10.1194/jlr.R011165
  10. Rosa-Fernandes MA, et al. Nutritional supplements for hair growth: a review. Dermatol Ther. 2020;33(5):e13964. doi:10.1111/dth.13964
  11. Lueangarun S, et al. A Systematic Review and Meta-analysis of Randomized Controlled Trials of USFDA-Approved, Home-use, Low-Level Light/Laser Therapy Devices for Pattern Hair Loss: Device Design and Technology. J Clin Aesthet Dermatol. 2021 Nov;14(11):E64-E75. PMID: 34980962; PMCID: PMC8675345.

*Each individual's treatment and/or results may vary

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Disclaimer: *All patient or client images, videos and testimonials are based on the personal experiences of our patients and represent individual diagnoses, medical conditions, goals and results. Every individual case is unique therefore, results may vary from person to person. All testimonials are provided voluntarily by our patients and clients without monetary compensation and all photos and videos have been consented to for public release and have not been altered in any way. The content contained herein is for education only and should not be considered medical advice. Medical advice may only be given through a one-on-one, private consultation with a physician.

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