Episode 18 looks at whether or not its better to use 5% minoxidil once per day vs twice per day. Apologies for the long video the time was required to fully explain my argument of why twice a day is proven to be more effective. I would recommend watching until the end to ensure that you have all the facts. This applies to both the head and the beard although as expected the sources I will be using are based on topical absorption of the scalp Study A: www.ncbi.nlm.nih.gov/pubmed/21700360 Study B: www.ncbi.nlm.nih.gov/pubmed/12196747 Also check out sams new video and subscribe to his beardology channel: www.youtube.com/watch?v=x9_x9S24SfQ Like | Comment | Subscribe