7 citations
,
November 2013 in “Pediatric and Developmental Pathology” Over half of the children had abnormal hair under a microscope, with many having genetic hair conditions.
August 2007 in “Microscopy and Microanalysis” Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
50 citations
,
March 2001 in “Clinics in dermatology” Human hair is complex and grows in cycles starting from embryonic life.
11 citations
,
June 1974 in “Journal of Cutaneous Pathology” Follicular mucinosis causes significant damage to hair follicle cells.
Dissecting cellulitis and folliculitis keloidalis cause intense inflammation without bacterial infection.
53 citations
,
April 1985 in “Developmental Biology” Fibronectin and other basement membrane components increase during hair growth and decrease during rest.
1 citations
,
October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.
29 citations
,
August 2005 in “Biopolymers” L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
1 citations
,
September 2017 For East Asians, using a deeper and larger punch in FUE is crucial to avoid follicle damage.
55 citations
,
November 2010 in “Development” Hair follicles in mutant mice self-organize into ordered patterns within a week.
9 citations
,
April 2019 in “Journal of structural biology” Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.
2 citations
,
July 2019 in “Cosmetics” Beautiful hair is flexible and elastic due to its unique double-layered structure and can be enhanced with succinic acid treatment.
November 2025 in “Journal of Investigative Dermatology”
March 2010 in “International Journal of Cosmetic Science” Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.
226 citations
,
May 2004 in “Journal of Biological Chemistry” Collagen XXII is a marker for tissue junctions, aiding in structural integrity and found in muscles, heart, skin, and arthritic joints.
January 2024 in “Updates in clinical dermatology” Frontal fibrosing alopecia is a scarring hair loss condition mainly affecting postmenopausal women, with unclear causes.
12 citations
,
June 2006 in “Anais Brasileiros de Dermatologia” The study found average numbers for different types of hair follicles in the scalp and observed differences between men and women, suggesting reasons for more common hair shedding in women.
EDM is better for isolating and growing human foreskin fibroblasts, and PPP helps repair UVB damage.
January 2005 in “Journal of Cutaneous Pathology” The hair erector muscle is involved in various skin conditions and disorders.
3 citations
,
April 2018 in “Journal of Investigative Dermatology” CCCA may be a fibroproliferative disorder, and anti-fibrotic therapies could help.
11 citations
,
August 2017 in “American Journal of Dermatopathology” EVG staining helps tell apart follicular scars from follicular streamers, aiding in diagnosing different types of hair loss.
47 citations
,
August 2012 in “Cell Cycle” Stem cells in hair follicles can become neurons and other cells, especially in the upper part, useful for nerve repair.
2 citations
,
January 2024 in “Proceedings of the National Academy of Sciences of the United States of America” The research created a detailed map of skin cells, showing that certain cells in basal cell carcinoma may come from hair follicles and could help the cancer grow.
7 citations
,
August 2018 in “The American Journal of Dermatopathology” Researchers found a new early sign of Frontal Fibrosing Alopecia that could help avoid misdiagnosis.
660 citations
,
December 2011 in “Cell” Different hair follicles in the skin are innervated by unique combinations of mechanosensory neurons, crucial for touch sensation.
1 citations
,
January 2001 in “Acta Archaeologica Academiae Scientiarum Hungaricae” FUE is a less invasive hair restoration method that avoids visible scars and reduces recovery time.
September 2025 in “International Journal of Cosmetic Science” Friction causes hair breakage during combing, and fragment count predicts hair strength.
13 citations
,
May 2001 in “Current problems in dermatology” Keratin proteins in epithelial cells are dynamic and crucial for cell processes and disease understanding.
25 citations
,
October 1962 in “Journal of Ultrastructure Research” The hair follicle structure is more complex than thought, with new findings on protein formation.
34 citations
,
May 2021 in “Journal of Nanobiotechnology” The 3D electrospun fibrous sponge is promising for tissue repair and healing diabetic wounds.