So, I'm by no means an expert nor do I completely have my shit together but I will tell you what has worked for me lately and I hope it gives you some ideas.
Basically I made a list in the notes app of things I want to do to eventually get into a routine, and then broke it down by day. So I have a section for things I want to do EVERY single day, like exercise at least 30 mins, read at least 45 minutes, take vitamins, etc. And in addition to my everyday things I want to accomplish, then I go day by day, so for instance I like to do a hair mask and a face mask on Sundays and Wednesdays, I like to exfoliate on Tuesdays and Thursdays, and use whitestrips for my teeth on Mondays and Fridays, am only allowed to drink on Saturday nights, etc. And as I accomplish my plans for that day, I check them off. But the main thing that I've found helps is having them written down like that and making lists. Since it's on my phone, I always have it with me.
This is surprisingly hard to stick to, especially when you get home from a long day at work and just want to through everything down, but when you undress, or finish using something, put it back where it came from immediately. Put your shoes away instead of leaving them in the middle of your room, don't let dirty clothes accumulate into little piles, try to wash dishes as you use them so that they don't stack up. It's easier to keep clean when you clean as you go instead of letting everything get dirty and trying to clean it all at once.
Set a time that you would like to go to bed each night and try to stick to it as much as possible. I take melatonin gummies about an hour before the time I'd like to go to sleep and they really hep. If you have trouble oversleeping (I do too), get an extremely loud obnoxious alarm clock and place it as far away from your bed as possible so that it forces you to actually get up and turn it off. Mine is literally on the other side of my room. As for unhealthy breakfast, I also have that problem and I've found that the best solution imo is to make something healthy the night before. For instance, I like having green smoothies for breakfast so I'll make a batch the night before and just leave it in the fridge. If you still have trouble with oversleeping this is a great option because you won't make yourself late trying to make a breakfast. Just pour and go. You can pretty much make a smoothie out of anything and they are refreshing/filling.
As for perfume, accessories, etc, I don't think this is necessary for being a well-rounded adult with their shit together, but it can be a lot of fun and improve your confidence if you decide you'd like to start wearing those things. Just get the basics, don't spend too much money on things like perfume or makeup until you find something you know you love. Start small and affordable. You can start by getting samples, or just buying rollerballs or body sprays until you figure out what kind of scent you like. Same with makeup and accessories.
Like I said, I'm not expert but I've struggled with a lot of the things you listed as well and I've been making a bit of progress by doing these things and sticking with them. Good luck anon.