research An Ultrastructural Study of Hair Fiber Damage and Restoration Following Treatment with Permanent Hair Dye 40 citations, February 2002 in “International Journal of Dermatology” Permanent hair dye damages hair but it mostly recovers after 8 weeks; using certain hair care products can help repair it.
community Complete Guide to Orally Taking Topical Minoxidil in DANGEROUS / UNPROVEN 149 upvotes 2 years ago Taking topical minoxidil orally for hair loss treatment, discussing safety, dosing, side effects, and FAQs. Users express concerns about safety and potential heart damage, while others share experiences and results.