When buying lubricant, there are several things to consider to make sure you choose the right one for your needs. Here are some tips:

1. Type: There are different types of lubricants, including water-based, silicone-based, oil-based, and hybrid. Water-based lubricants are the most popular and versatile, as they are safe to use with condoms and sex toys, and they are easy to clean up. Silicone-based lubricants are longer-lasting and more slippery, but they can damage some sex toys and are not safe to use with silicone-based sex toys. Oil-based lubricants are not recommended for use with condoms, as they can cause them to break. Hybrid lubricants combine water-based and silicone-based lubricants for the best of both worlds.
2. Ingredients: Look for a lubricant with high-quality ingredients that are safe and non-irritating. Avoid lubricants that contain glycerin, parabens, or other potentially harmful ingredients.
3. Texture: The texture of the lubricant can make a big difference in your experience. Some lubricants are thick and creamy, while others are thin and watery. Try different textures to see what works best for you.
4. Scent and flavor: Some lubricants come in scented or flavored varieties, which can add an extra dimension to your sexual experience. However, be sure to choose a scent or flavor that you like, as you will be smelling or tasting it during sex.
5. Packaging: Consider the packaging of the lubricant. Some lubricants come in bottles with pumps, which can be easier to use than those with screw caps.
6. Price: Lubricants can vary in price, so consider your budget when choosing one. However, keep in mind that high-quality lubricants may cost more but can be worth the investment.

When buying lubricant, it's a good idea to start with a small bottle to try it out and see if it works for you.