I think the only thing that ties them together (except for the logo) is the fact that the designs are all quite heavily typed based. However this is an element I really like as type is something I like to focus on in my own work so I will continue with this theme for my designs. I also noticed quite a lot of their designs also have a focus on nature with the use of illustration to suggest all their products are from natural sources. This is an element I need to consider for my own designs.
Out of the products above I really love the bottom two for their make up range. I love how the first one is really clean and clinical which is something I want to achieve with my designs and I really love the bottom one for its bold type as I think it makes it stand out a lot more next to the other products.