Table 2.

Summary of clinical treatment response in each study

Reference	Minoxidil treatment	LLLT treatment	Combination treatment
Ferrara 2021 [16]	+	NA	+
Mahe 2021 [17]	+	NA	+
Liu 2021 [14]	+	+	++
Esmat 2017 [13]	+	+	++
Faghihi 2018 [15]	+	NA	++

+, improvement in hair growth; ++, greater improvement compared to other treatment groups; NA, not assessed.