https://www.amazon.com/dp/B08HLMTCKK/ref=cm_sw_r_cp_apa_glt_fabc_AMKY57EHPRRDWSQA1W1Z?_encoding=UTF8&psc=1

My beard trimmer came with the little cleaning brush (not the soft one) so i just used that lol. Had to do it for a couple minutes with the phone at different angles. Help greatly.