I never do. I just pay attention to how it feels after I rinse out the shampoo. If it feels like it's gonna be dry, I use more conditioner than usual or a richer one. But I usually only have 1 or 2 in my rotation. My gel has moisturizing ingredients like coconut and hemp oils, so I'm good to go.
"For many years the National Pretend Speed Limit was fifty-five miles per hour"--Dave Barry