Seaweeds have become a basic ingredient for so many by-products that have been invented and are in use now. In fact they have become a primary source of income for those who have focused on the use of seaweed. Mostly they are those who are living by the shore whose prime source of livelihood is being a fisherman or seaweed harvester.
Among the seaweed products that have been successfully sold in the market are gelatin, air freshener, candy-gels, pastilles, ointment, fertilizer, suppository base, skinless longaniza, shampoo, liquid soap and it is also added to flour to produce a high-fiber bread. Using seaweed is natural and is less likely to cause allergic reaction.