“…The method shows increase application across several fields, including marketing and advertising (P. E. Green and Srinivasan, 1990 ; Paul E. Green and Krieger, 1991 ; Hille et al, 2019 ; Lappeman et al, 2019 ; Mann et al, 2012 ; Mehta and Bhanja, 2018 ; Meyerding and Merz, 2018 ), product development ( Kulshreshtha et al, 2019 ; Leber et al, 2018 ), telecommunication and information technology ( Burbach et al, 2019 ; Lagos et al, 2019 ; Maeng et al, 2020 ), green product ( Borchardt et al, 2011 ; Sonnenberg et al, 2014 ) and healthcare ( Kreps et al, 2020 ; M. Ryan et al, 2001 ; Mandy Ryan and Farrar, 2000 ; Weernink et al, 2018 ). There is a lack of conducting the conjoint analysis in eco-friendly face masks design.…”