July 1996 in “Clinical and Experimental Dermatology” Putting calcipotriol ointment on the skin once doesn't change calcium levels in the body right away.
More minoxidil applied topically leads to better hair growth in male pattern baldness.
New treatments for skin diseases in 1979 showed promising results with fewer side effects.
December 2022 in “Archives of Dermatological Research” Adding cetirizine to minoxidil improves hair growth and thickness in women with androgenetic alopecia.
October 2022 in “Dermatologic Therapy” Both treatments for resistant alopecia areata were equally effective.
January 2021 in “Asian Journal of Research in Dermatological Science” September 2019 in “Case medical research” January 2018 in “International Journal of Medical Reviews and Case Reports” Bimatoprost 0.03% solution may help treat hair loss.
November 2016 in “Cochrane Clinical Answers” September 2015 in “American journal of biomedicine” 
July 2014 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Applying valproic acid on the scalp increased hair growth in men with hair loss.
March 1998 in “Journal of Dermatological Science” Combining RU58841 and minoxidil significantly increases hair growth.
131 citations,
October 2004 in “Clinical Cancer Research” Tempol is safe and may prevent hair loss from brain radiotherapy.
115 citations,
November 1999 in “Journal of The American Academy of Dermatology” Minoxidil increases hair weight and count temporarily in men with hair loss.
71 citations,
January 2004 in “Dermatology” Oral finasteride works better than topical minoxidil for hair growth, both are safe.
49 citations,
January 1991 in “Food and chemical toxicology” Different zinc compounds cause varying levels of skin irritation in animals.
44 citations,
January 1997 in “British Journal of Dermatology” 
32 citations,
June 2015 in “Dermatologic Therapy” Finasteride and minoxidil together work best for male hair loss.
26 citations,
June 2001 in “PTR. Phytotherapy research/Phytotherapy research” Procyanidin B-2 lotion might help men grow thicker hair without side effects.
24 citations,
September 2014 in “Drug Delivery” Using microneedles before applying eflornithine cream can make it more effective at stopping hair growth.
19 citations,
July 1993 in “Journal of Applied Toxicology” Different oil products cause varying levels of skin irritation in mice, which could potentially lead to tumors.
12 citations,
November 2011 in “International Journal of Dermatology” A woman developed a scalp condition from using minoxidil, which improved with a different treatment but left scarring.
10 citations,
February 2014 in “Fitoterapia” Pomiferin may improve skin and hair by increasing important protein production.
8 citations,
September 2017 in “Journal of Natural Medicines” Applying an extract from Perilla frutescens helps hair grow and fights the effects of hair loss hormones.
7 citations,
July 2022 in “Pharmaceuticals” Pumpkin Seed Oil in niosomes may help treat hair loss and improve hair growth.
7 citations,
April 2021 in “Journal of Pharmacy and Pharmaceutical Sciences” Cetirizine 1% helps hair growth in men with no major side effects, but minoxidil 5% works better.
6 citations,
January 2017 in “Annals of Dermatology” Combination of 17α-estradiol and minoxidil improves hair growth and reduces hair loss in most patients.
5 citations,
January 2020 in “Skin Research and Technology” Minoxidil 5% works better than 2% for hair growth in male-patterned hair loss.
4 citations,
January 2009 in “Eclética Química” Scientists developed a cheaper, but slower, method to measure minoxidil in hair loss treatments with high accuracy.