A bubble of the highly-concentrated carbon dioxide can make skin, scalp and hair neat and beautiful.
Soda Spa Foam (sensitive skin)
Shake the can well, then turn the cap off the can, take an appropriate amount, and spread a thick layer of foam over the skin and hair. Leave it on for 1 to 5 minutes then rinse thoroughly with water or lukewarm water.
For hair packs, adjust the amount according to the hair length.