بسم الله الرحمن الرحيم
(Fatwa: 339/322/M=3/1438)
According to Shariah, your friends are not right. One is not allowed to shave the beard with the intention of making it thick. Do not shave your beard and let it grow as it is.
Allah knows Best!
Darul Ifta,
Darul Uloom Deoband
