Yes, although I am not a design major, I have also studied some art. The following suggestions may be helpful:
For posters, you must first reflect the concept of the product, and grasp the concept of the product. Target group of people. This picture has a lot of content and cannot fit on a poster. It is recommended that you only put the first and last two parts of the information. The language of the first part needs to be changed. There must be an eye-catching slogan that is brief and summarized. Don't be empty. The picture should be large and eye-catching, and it does not necessarily have to be a product picture.
Magazines can refer to brochures of some well-known cosmetics. The subtitles should be eye-catching and large. The background pictures should mainly pursue a sense of effect, such as sunscreen products using sunlight or waves. The color of the words should be coordinated, and the page style should be coordinated. To unify