Allbeauty.com is considered a legitimate online retailer based on numerous positive customer reviews. The website has a high rating on Trustpilot, with many users praising its competitive prices, swift delivery, and excellent customer service. Some customers have expressed concerns about the authenticity of products due to the low prices, but the majority of reviews confirm that the products are genuine and well-packaged. Overall, Allbeauty.com appears to be a reliable source for beauty products.