Chitosan is a linear polysaccharide used for commercial and biomedical purposes .The formal name of chitosan is Β-1, 4-poly-D-glucosamine formula having the physical appearance white or grey and is processed by removing the shells from shell fish. Chitosan is regarded as the sixth life element except sugar, protein, grease, vitamin and mineral matters, which plays important role in physical action of body. Chitosan has many good characteristics such as beautiful appearance and excellent inner quality, which is best choice for medicine, health care, food and beverage etc. Applications of Chitosan * Hair care * Skin care * Oral care * Water filtration * Agriculture& horticulture