Yes, "Natralus Australia" is a legitimate company. It is an Australian natural skin health care brand with a focus on empowering women and families to opt for a more naturally effective approach to skin health care and wellness. The company has a good reputation with a rating of 4.4 based on 55 reviews. The reviews on their website show a high level of customer satisfaction. However, it's always a good idea to do your own research and read reviews before making a purchase.