Rubbing alcohol can be used as well but should be used with caution as it can cause damage to some rubber surfaces.
Clean sticky rubber grip.
Keep re applying on the rubber and rubbing with a cloth.
Use a clean section of the cloth each time.
Dampen a wash cloth with hot water and wring out excess water dampen wash cloth with oil soap full strength and clean remote or sticky plastic.
This is why they were sticky.
Swish the water with your hands to thoroughly mix the soap.
Fill the sink or a cleaning bucket with about 1 gallon of water and 1 tbsp.
I pulled out the camera several times over the last year and every time my hand stuck to the grips.
I put it back in the case and stuck it back in the closet.
Rub the paste over the surface with a cloth then rinse clean.
Rinse wash cloth then wipe remote repeat should be free of any sticky.
Quick video on how to clean old plastic or rubber that s deteriorated and has become sticky and or oily.
More rigid high vulcaising rubber will powderise back to dust.
If the sticky damaged surface remains mix some baking soda with water to create a thick paste that is about the consistency of toothpaste.
Tried dish detergent but that just pushed the sticky around.
The top surface is effected 1st which then deepens and deepens until you could wipe the entire rubber off with cloth after 25 years.
Once the isopropyl starts to dry and you find that the cloth is sticking to the rubber it s time to add another layer of isopropyl.
Upon some research i found the rubber coating on the grips deteriorate over time.
Again use fresh clean rags for each application allowing to dry rinsing with water between each application.
After the final step gbg application you should wrap in damp towels leave overnight and make sure the gbg is completely removed.
Step 2 dip a cleaning rag or mop into the soapy water.