hi,

see gpat is the entrance test for admission in master of pharmaceutical courses. cosmetics science dont fall in m.pharma course. you may do post graduate or msc in cosmetics science after bachelors degree in relevant discipline. there is two years m.sc in cosmetic science course offers by sandip university, maharastra, students who have completed their undergraduate in pharmacy, cosmetology, medicine and related fields can opt for this course.

follow the below link to know in details,

https://www.sandipuniversity.edu.in/fashion-beauty/pg-programme/m.sc-beauty/index.php