Hairball remedy can help cats expel hairballs because it's a product that helps cats expel hairballs from their bodies. It works by lubricating the cat's intestines and adding dietary fiber to aid in hair removal. Cats frequently lick their fur, and much of the hair ends up in their bodies. Sometimes, hairballs can cause vomiting, and in severe cases, gastrointestinal obstruction. Regularly giving cats hairball remedy can help them expel hairballs. 
Precautions for feeding hairball remedy to cats:
1. Overfeeding hairball remedy can easily cause soft stools in cats, and continued feeding may also cause diarrhea.
2. Generally, kittens can start being fed hairball remedy after they are three months old, twice a week, with each feeding being about 1-2 cm. It is not recommended to feed too much.
3. Hairball remedies also come in cat and dog versions. Owners must pay attention to the difference. Cats should use cat-specific hairball remedies. Also, pay attention to the ingredient list and avoid hairball remedies containing mineral oil.
4. Hairball remedy is not a suitable medication for long-term use. It is best to address the root cause by brushing the cat's fur more often and cleaning up loose hair, which will reduce the amount of hair the cat ingests.
