This product has changed my 6 year old cat's life. She is an indoor cat and 9 months ago started pulling her fur out underneath. Despite at least 4 trips to the vets and countless injections etc, she was still doing it and had gone completely bald underneath including the insider of new back legs. The final straw was when she started on her front legs!!! Went on line and one of the forum's recommended this product - thank you - within the first half bottle she started to grow her hair back again and she is looking a lot more normal. She is an indoor cat, so it could be that her skin had dried out, but whatever the cause, this product is certainly helping.