November 2021 in “Egyptian Journal of Medical Microbiology” COVID-19 protective measures led to skin irritation, hair loss, and brittle nails; using skin-friendly products and a healthy diet is recommended.
April 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” GRK2 is essential for healthy hair follicle function, and its absence can lead to hair loss and cysts.
95 citations,
July 2010 in “Genes & development” Notch/CSL signaling controls hair follicle differentiation through Wnt5a and FoxN1.
77 citations,
July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
3 citations,
June 2004 in “Alternative and Complementary Therapies” The document concludes that hair loss is influenced by genetics and other factors, and while treatments like finasteride can help, they have limitations and side effects.