Why is it so important to pick the right lash extension supply store? First and foremost, you want to make sure the store is reputable and has a good track record of providing quality extensions. Look for stores that use high-quality materials and employ skilled technicians. It’s also important to make sure the store is clean and the technicians follow proper sanitation and safety procedures. It’s also important to find a store with a wide selection of extensions. Different types of extensions provide different looks and can be used to create different styles.