When choosing a water-based lubricant, consider the following:

1. Ingredients: Look for a lubricant that contains safe and high-quality ingredients, such as glycerin or natural plant-based extracts.
2. Viscosity: Water-based lubricants come in various viscosity levels, from thin to thick. Choose a viscosity that works well for you and your partner's needs.
3. Sensitivity: If you or your partner have sensitive skin, choose a hypoallergenic lubricant that is gentle on the skin.
4. Duration: Consider how long you need the lubricant to last. Some water-based lubricants need to be reapplied frequently, while others last longer.
5. Type of activity: Different types of sexual activity require different types of lubrication. For example, anal sex requires a thicker, longer-lasting lubricant.
6. Brand: Choose a reputable brand that has positive customer reviews and is known for producing high-quality products.
7. Price: Water-based lubricants come in a range of prices. Consider your budget and choose a product that fits within your price range.