1.A randomized, placebo-controlled trial of 5% and 2% topical minoxidil https://www.ncbi.nlm.nih.gov/pubmed/15034503
2.Efficacy and safety of 5% minoxidil topical foam in male pattern hair loss treatment and patient satisfaction. Hasanzadeh H1, Nasrollahi SA1, Halavati N2, Saberi M3, Firooz A1,2. Acta Dermatovenerol Alp Pannonica Adriat. 2016 Sep;25(3):41-44.
3. Five-year follow-up of men with androgenetic alopecia treated with topical minoxidil. J Am Acad Dermatol. 1990 Apr;22(4):643-6.
4. Rosemary oil vs minoxidil 2% for the treatment of androgenetic alopecia: a randomized comparative trial. Skinmed. 2015 Jan-Feb;13(1):15-21.
5.Study on hair oils-Journal Of Ancient Science of Life. 2012 Dec; 32. This study researched the ability of herbal hair oils to grow hair. This study “revealed that 8 of the 15 patients with patchy progressive hair loss stabilized and showed no additional hair loss. After 3-5 months of treatment hair growth in these patients were partial or full…”