1) The document describes the preparation of an herbal toothpaste using natural ingredients like neem leaves, guava leaves, honey, and calcium carbonate.
2) Three formulations were prepared and tested for properties like pH, viscosity, and foamability. One formulation was selected and scaled up to produce 100g of herbal toothpaste.
3) The final herbal toothpaste had a light green color and characteristic smell and taste. It was smooth and had a pH of 5.4-5.7. The natural ingredients like neem and guava are expected to have antibacterial effects and help prevent tooth decay.