Chili sauce may be hot, sweet or a combination thereof, and may differ from hot sauce in that many sweet or mild varieties exist, which is typically lacking in hot sauces. Several varieties of chili sauce include sugar in their preparation, such as the Thai sweet chili sauce and Filipino "agre dulce", which adds sweetness to their flavor profile. Sometimes, chili sauces are prepared with red tomato as primary ingredients. Many chili sauces may have a thicker texture and viscosity when compared to that of hot sauces.