It’s a comic strip so it fits the community. I guess some people are voting based on how well a posts fits a community which is often the right approach. For example if you see a news article you don’t like posted in a community titled “news” it would still be beneficial for the growth and diversity of the community to upvote the post.
Shampoos and shower gels are scams imo. I order a 10 litre container of the cheap pink soap you get when using public restrooms. It cleans just as well and is significantly cheaper. I use an empty bottle with a pump on top and refill it with the container every other month or so.
Edit: If you got sensitive skin that needs special care then this isn’t for you, though.