The following bibliography lists many articles of interest on the biology of hair and on various techniques in diagnosing and treating hair loss.

Thinning Hair and Hair Loss: Could it be Female Pattern Hair Loss?

Efficacy and Safety of a Low-level Laser Device in the Treatment of Male and Female Pattern Hair Loss: A Multicenter, Randomized, Sham Device-controlled, Double-blind Study
Am J ClinDermatol 2014 Apr;15(2):115-27

Use of low-level laser therapy as monotherapy or concomitant therapy for male and female androgenetic alopecia*
Int J Trichology 2014 Apr;6(2):45-9

Hairmax LaserComb Laser Phototherapy Device in the Treatment of Male Androgenetic Alopecia – A Randomized, Double-Blind, Sham Device-Controlled, Multicenter Trial.*
Clin Drug Invest 2009: 29 (5): 283-292

Visible red light enhances physiological anagen entry in vivo and has direct and indirect stimulative effects in vitro
Lasers Surg Med. 2015 Jan;47(1):50-9

Hair Pigmentation: A Research Update
Journal of Investigative Dermatology Symposium Proceedings (2005) 10, 275–279

The Nuts and Bolts of Low-level Laser (Light) Therapy
Ann Biomed Eng. 2012 Feb; 40(2): 516–533

Biphasic Dose Response in Low Level Light Therapy
Dose Response.;7(4):358-83

Leavitt, ML, Perez-Mesa, D. Low Level Laser Therapy in Hair Loss. In: Lasers and Non-Surgical Rejuvenation.
1st ed. Saunders-Elsevier, 2009: 141-153

Seasonality of Hair Shedding in Healthy Women Complaining of Hair Loss
Dermatology. 2009 Apr 29

Won-Soo Lee, Photo-aggravation of Hair Aging
Review Article International Journal of Trichology. 2009; 1(2): 94-99

The biology of hair follicles
New Eng Jrl Med. 1999;341(7):491-97

Biology of the hair follicle: the basics
Semin Cutan Med Surg. 2006 Mar;25(1):2-10

William J Cunliffe Scientific Awards. Advances in the study of stem-cell-enriched hair follicle bulge cells: a review featuring characterization and isolation of human bulge cells.
Dermatology. 2007;214(4):342-51

The biology of hair follicle
J Soc Biol. 2005:199(4):343-8

Human hair follicle bulge cells are biochemically distinct and possess an epithelial stem cell phenotype
J Investig Dermatolol Symp Proc. 1999 Dec;4(3):296-301

Soluble factors from human hair papilla cells and dermal fibroblasts dramatically increase the clonal growth of outer root sheath cells
Arch Dermatol Res. 1993;285(4):205-10

Chronobiology of the hair follicle: hunting the “hair cycle clock”
J Investig Dermatol Symp Proc. 1999 Dec;4(3):338-45

Functional role of beta1 integrin-mediated signaling in the human hair follicle
Exp Cell Res. 2007 Nov 12

Changing patterns of localization of putative stem cells in developing human hair follicles
J Invest Dermatol. 2000 Feb;114(2):321-7

Bulge cells of human hair follicles: segration, cultivation and properties
Colloids Surf B Biointerfaces. 2006 Jan 15;47(1):50-6. Epub 2006 Jan

Epithelial stem cells: a folliculocentric view
J Invest Dermatol. 2006 Jul;126(7):1459-68

Hair follicle bulge: a fascinating reservoir of epithelial stem cells
J Dermatol Sci. 2007 May;46(2):81-9. Epub 2007 Jan 5

Changes in the number of Merkel cells with the hair cycle in hair discs on rat back skin
Br J Dermatol. 2006 Nov;155(5):883-9

Expression of the heat shock protein-27 in the adult human scalp skin and hair follicle: hair cycle-dependent changes
J Am Acad Dermatol. 2006 May;54(5):811-7

Molecular control of epithelial-mesenchymal interactions during hair follicle cycling
J Investig Dermatol Symp Proc. 2003 Jun;8(1):46-55

Hirsutism and the variable response of the pilosebaceous unit to androgen