1.They test the product.Most of the time it happens on animals.
2.Because new medicines are also tested on guinea pigs.
3.Cosmetic companies are pressed by animal rights organisations to stop animal testing,protesters are signing petitions organising demonstrations and buying only cosmetics that aren't tested on animals.
4.No,because it's a lot more safer than the animal tests.
5.Psychologists have learned a lot about human behaviour from the observation of rats and dogs in laboratory conditions and research with dolphins has taught us about different aspects of communication.
