GO:0034632:   retinol transmembrane transporter activity
Enables the transfer of retinol from one side of a membrane to the other. Retinol is vitamin A1, 2,6,6-trimethyl-1-(9"-hydroxy-3",7"-dimethylnona-1",3",5",7"-tetraenyl)cyclohex-1-ene, one of the three components that makes up vitamin A.