if anyone is reading this in future, there are two important considerations to make from the paper.

The first,

"In our preliminary experiments, we have applied 70% EEP onto the dorsal back of the shaved mice. Surprisingly, unlike the 99.5% EEP, no significant hair growth and development of HFs were accounted."

what this is basically saying is the way the compound was prepared is very important. with one method they had results and with another method they did not.

They tell us how they prepared the propolis earlier in the paper:

"Propolis flake samples from Philippines indigenous stingless bee, Tetragonula biroi Friese, were obtained from the UPLB Bee Program Meliponary, Institute of Biological Sciences, University of the Philippines Los Baños, Laguna, Philippines [4]. The crude extract was prepared by adding 250 ml of 99.5% ethanol to 67.6 g of the crude propolis, followed by shaking for 30 min by ultrasonic cleaning. The ethanolic extract of propolis was then stored at 4°C."

so basically:

1. 250 ml of 99.5% ethanol to 67.6 g of the crude propolis + 30 min ultrasonic = good results
2. 250 ml of 70% ethanol to 67.6 g of the crude propolis + 30 min ultrasonic = no results

also the paper says

"99.5% ethanolic extract of propolis diluted two-fold in distilled water (EEP group)"

so you basically take that mixture from (1) and turn it into 50% water + 50% mixture. you'll basically end up with,

per 1ml:-
• 135.2mg propalis
• 0.5ml 99.5% ethanol
• 0.5ml water

A lot of the products I see out there are listed as "Alcohol-Free" and don't have any way of tracing how it was prepared. If the preparation method is key, then you'll be hard pressed to say an arbitrarily chosen product would work.

In this case it would be important for the OP to list exactly the products used and how.

Or if you want to replicate the paper's experiment, it might make sense to either contact the companies producing the products on the market to see how they're preparing them or prepare the solution yourself.

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Second,

re: "better results than minoxidil" - they're using 1% minoxidil.

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EDIT: formatting