Get some diamond grip tape cleaner, that should do the trick.
https://www.amazon.com/dp/B06WP75695?ref=ppx_pop_mob_ap_share
Black Diamond grip tape cleaner works well for me. Black Diamond BD-Grip-Cleaner Skateboard Griptape Cleaner - Diamond Dirt Remover Gummy Cube - Erase Grip Gunk https://www.amazon.com/dp/B06WP75695/ref=cm_sw_r_cp_api_i_S8VAW5ERW6VER3DF8T1H
Never used it myself but always see this recommended, or others like it. grip tape cleaner
Just avoid letting it run into cracks. Whipping with a wet rag is fine. Buy this to clean your grip tape after its whipped down. https://www.amazon.com/dp/B06WP75695/ref=cm_sw_r_cp_apa_i_-EGgFb727AGSK
Black Diamond BD-Grip-Cleaner Skateboard Griptape Cleaner - Diamond Dirt Remover Gummy Cube - Erase Grip Gunk https://www.amazon.com/dp/B06WP75695/ref=cm_sw_r_cp_api_i_9IGfFbMFZX986
Yea just order it on amazon. This is wat I and I think most other ppl use: https://www.amazon.com/dp/B06WP75695/ref=cm_sw_r_other_apa_i_BwmiEbM2V4C0T
Black Diamond BD-Grip-Cleaner Skateboard Griptape Cleaner - Diamond Dirt Remover Gummy Cube - Erase Grip Gunk https://www.amazon.com/dp/B06WP75695/ref=cm_sw_r_cp_api_i_gDKYDb1NGFV91
Diamond Dirt Remover Gummy Cube - Erase Grip Gunk https://www.amazon.com/dp/B06WP75695/ref=cm_sw_r_cp_api_i_cZXICb4SVMD44
While I respect the motivation... There is an easier way... ������
(One of several products) Black Diamond BD-Grip-Cleaner Skateboard Griptape Cleaner - Diamond Dirt Remover Gummy Cube - Erase Grip Gunk https://www.amazon.com/dp/B06WP75695/ref=cm_sw_r_cp_apa_i_5f4YCbNPJ7SEE