9 citations
,
October 1994 in “Brain Research” Fetal sheep develop skin nerve pathways and responses to touch and heat between 75 and 134 days of gestation.
9 citations
,
December 1978 in “Australian Journal of Biological Sciences” Flumethasone causes wool shedding in Merino wethers, with recovery in about 60 days.
3 citations
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January 2020 in “Acta veterinaria indonesiana” The cat with ringworm got better after being treated with oral and topical medications for 35 days.
2 citations
,
March 2025 in “PNAS Nexus” Raman spectroscopy can detect radiation exposure in mouse hair with high accuracy for up to 7 days.
2 citations
,
January 2016 in “Journal of in silico & in vitro pharmacology” Combining Minoxidil and Rosemary oil in liposomes improves Minoxidil's effectiveness and remains stable for 60 days.
September 2025 in “ACS Applied Materials & Interfaces” The hydrogel effectively heals diabetic wounds, closing over 90% within 7 days.
TrichoFoam™ is a stable option for personalized hair loss treatment with most ingredients remaining effective for 90-180 days.
September 2022 in “Journal of The American Academy of Dermatology” A woman's COVID-19 related hair loss improved after using a specific hair care routine for 30 days.
Some dog skin mousse products with certain chemicals can prevent bacterial growth for up to 14 days, but effectiveness varies with hair length and product ingredients.
May 2022 in “Endocrine practice” High-dose biotin can cause false thyroid test results; stop taking biotin two days before testing to avoid errors.
January 2022 in “Social Science Research Network” A special coating was made for artificial hair fibers that can slowly release silver ions for up to 56 days, providing long-term protection against bacteria and inflammation.
December 2021 in “Journal of The American Academy of Dermatology” COVID-19 can cause different types of hair loss, which may last up to 100 days, and treatments are still being explored.
Canine fetal hair follicle stem cells show pluripotency, with higher S100 protein expression at 40 days.
November 2020 in “International journal of pharmaceutical compounding” A stable and simple finasteride suspension was developed that retains over 94.3% of its concentration for up to 90 days and doesn't significantly increase occupational exposure, but safety measures are still advised.
16 citations
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May 2015 in “Tissue Engineering Part C-methods” A two-step method was created in 2015 to make more cells that help with hair growth, but they need to be combined with other cells for 4 days to actually form new hair.
10 citations
,
May 2019 in “Archives of Plastic Surgery” Follicular unit extraction (FUE) causes less postoperative pain than follicular unit transplantation (FUT), but pain from both methods decreases significantly within two days.
8 citations
,
January 2015 in “Clinical and Experimental Dermatology” A new model for hair regeneration in mice was created in 2015, which is faster and less invasive than the old method, producing normal hairs in about 21 days.
5 citations
,
February 2018 in “Experimental Dermatology” Scientists developed a way to isolate sweat glands from the scalp during hair transplants, keeping them alive for 6 days for research and cosmetic uses.
3 citations
,
April 2021 in “Revista da Sociedade Portuguesa de Dermatologia e Venereologia” Some people who got COVID-19 experienced temporary hair loss starting around 10 weeks after infection, with many seeing improvement within about 25 days.
2 citations
,
September 1980 in “Experientia” Polyethylene alanine caused hair loss in young lab animals but not in adults, with hair regrowth occurring within 20 days.
October 2023 in “Dermatology practical & conceptual” Many patients experienced hair loss after COVID-19, with women affected more, starting on average 49 days post-infection.
February 2022 in “Cosmetic Dermatology” Platelet Rich Plasma (PRP) is increasingly used in cosmetic dermatology for hair loss, facial rejuvenation, and after cosmetic procedures, and can be stored for up to 90 days for daily home use.
June 2016 in “American Journal of Cardiology” Endovascular repair and open surgery for abdominal aortic aneurysms both result in a temporary decline in physical health, with no significant mental health difference, and a return to near normal health in 90 days.
April 2015 in “The FASEB Journal” Nitrogen mustard causes DNA damage and structural changes in mouse skin hair follicles, but some recovery occurs after 5 days.
January 1997 in “Pediatrics in review” The document concludes that common menstrual disorders affect adolescent women, with the normal menstrual cycle lasting 21 to 35 days.
January 1953 in “Nihon Chikusan Gakkaiho” Soaking calf skin in lime solution dissolves cells at different rates, with optimal dehairing after 4-7 days.
20 citations
,
January 1995 in “Cells tissues organs” Changing light periods synchronized wool growth cycles in sheep.
February 2023 in “Ankara Üniversitesi Veteriner Fakültesi dergisi” Two calves died from ethylene glycol poisoning, a condition more common in pets.
January 2005 in “Boletín del Instituto de Estudios Giennenses” The test product significantly improved hair growth and reduced hair fall without causing skin issues.
25 citations
,
February 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” Blocking SCD1 in the skin with XEN103 shrinks sebaceous glands in mice.