whats are the pros and cons for each product and do you really need a brush for the soap?
Gels are generally non-lathering products. They contain emolllients and surfactants. They are designed to produce slickness. Some of them offer some cushion.
A shaving soap is actually a soap. It doesn't contain propellants or petrochemicals. It produces a thick, rich, slick and protective lather that is ideal for shaving and is better for your skin.
To maximize the benefits of a shaving soap,it should be lathered with a brush