Sheep can lose wool quickly due to stress, but it doesn't cause itching or pain.
July 2025 in “Journal of Investigative Dermatology” Secreted inhibitors of Wnt and IGF signaling control hair and tooth development, creating species-specific patterns.
16 citations
,
October 1992 in “Journal of cutaneous pathology” Bubble hair deformity may be caused by hair shaft trauma and can improve with gentle hair care.
5 citations
,
July 1999 in “Journal of Anatomy” Methylene blue staining effectively reveals detailed nerve structures in rat snouts.
11 citations
,
November 2005 in “The Journal of Dermatology” A man's crushed thumb caused unusual horizontal nail ridges on all fingers of one hand.
7 citations
,
November 1997 in “Reproduction Fertility and Development” Epidermal growth factor disrupts hair and gland formation in bandicoots.
March 2024 in “International Journal of Cosmetic Science” Dandruff is linked to increased T cells and weakened immune protection in hair follicles.
28 citations
,
May 1998 in “Journal of the American Academy of Dermatology” Scalp inflammation can cause multiple hairs to grow from one follicle.
30 citations
,
January 1999 in “Journal of Cutaneous Pathology” Spiny keratoderma may be ectopic hair formation on palms and soles.
February 2026 in “Trials” The Exfoliate-Dissolve-Repair skincare approach may effectively treat keratosis pilaris and reduce the need for corticosteroids.
October 2021 in “Research Square (Research Square)” Hair follicle stem cells in hairpoor mice are disrupted, causing hair loss.
3 citations
,
January 2002 in “Actas Dermo-Sifiliográficas” Excessive minoxidil use can damage hair structure.
10 citations
,
December 2021 in “Frontiers in cell and developmental biology” The research identified genes that explain why some sheep have curly wool and others have straight wool.
July 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” Hair regrows faster at the front than the back of mouse skin.
4 citations
,
July 2020 in “International Journal of Cosmetic Science” All hair removal methods irritate underarm skin and cause dryness, with shaving being less irritating but more drying than plucking or waxing.
31 citations
,
September 1996 in “Differentiation” The upper dermal sheath can regenerate hair in rats.
48 citations
,
August 1998 in “Developmental Biology” Deleting part of a gene in mice causes wavy hair and high pup loss.
3 citations
,
July 2025 in “Acta Biomaterialia” Murine skin wounds become less stiff over time as they heal.
August 2021 in “Acta medica Philippina” A girl's hair loss was found to be caused by both a hair-pulling disorder and another hair loss condition.
28 citations
,
August 1992 in “Differentiation” A new pair of mouse keratins, 65 kD and 48 kD, are found in specific skin areas and are linked to a unique skin differentiation type.
1 citations
,
January 2023 in “International journal of molecular sciences” Rabbits with Sarcoptes scabiei had thicker skin, cell death, and skin hardening.
Curly hair may be caused by a muscle contraction, and muscle relaxants might help treat it.
7 citations
,
June 2018 in “Journal of the American Academy of Dermatology” The document suggests finding a simpler, cheaper way to diagnose Uncombable Hair Syndrome.
January 2024 in “Indian Journal of Pharmaceutical Sciences” Relaxing the Arrector Pili Muscle might make curly hair straighter.
58 citations
,
November 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The Foxn1 gene is essential for normal nail and hair development.
August 2025 in “Biomedicines” Half-siblings with a rare skin condition improved with treatment for a fungal infection, but hair loss remained.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Disrupting the Tsc2 gene in certain cells leads to thicker skin, larger hair, and changes in hair growth signaling, which can be partly reversed with specific treatment.
3 citations
,
July 2019 in “Fibers And Polymers/Fibers and polymers” April 2012 in “Cancer Research” EGFR deficiency in skin causes hair follicle issues and inflammation.
November 2024 in “Medicina” Recognizing scalp symptoms in PRP is crucial for proper diagnosis and treatment.