Dispense foam into palm, apply to wet skin, shave as normal, rinse.
Patch test: Apply small amount to skin, wait a few minutes to check for irritation if new to the brand.
Good to know:
Same formula across all 4 can colors - color is packaging variation only, not a different scent/formula per available label info.
Precautions: Aerosol can - avoid puncturing/exposing to heat; avoid eye contact.