January 2005 in “Chinese Journal of Veterinary” Hairless mice lose hair by 3-4 weeks, develop thicker, folded skin, and show pigmentation differences.
January 1992 in “Proceedings of the New Zealand Society of Animal Production” Ferret hair growth starts between 0 and 4 days after melatonin treatment, with cell growth peaking in the hair germ and declining as the hair matures.
24 citations
,
May 1963 in “Archives of Dermatology” Most new moms had their hair grow back within 4-6 months after childbirth, and hair loss is likely due to hormonal changes.
15 citations
,
January 2000 in “Japanese Heart Journal” A man developed heart problems after using a baldness treatment for 4 months, suggesting that people with heart issues should avoid this treatment.
6 citations
,
January 2012 in “Hair transplant forum international” Best solution for storing hair grafts is saline with ATP at 4 degrees Celsius, but no definitive best method was confirmed.
1 citations
,
December 2022 in “Pathogens” A stray cat with severe scabies recovered after 4 weeks of treatment.
1 citations
,
April 2018 in “Медицинский совет” Minoxidil effectively treats early-stage androgenic alopecia with visible results in 4-6 months and minimal side effects.
July 2025 in “International Journal of Homoeopathic Sciences” Homeopathy helped an 8-year-old girl regrow her hair in 4 months.
November 2023 in “Ensaios e Ciência C Biológicas Agrárias e da Saúde” Optimal hair heat protectant spreadability is achieved with 4% shea butter and coconut oil, and 0.64% cetostearyl alcohol.
October 2023 in “Jurnal Ilmu Kesehatan Hewan” The kitten's skin condition improved significantly after 4 weeks of treatment.