Hi,
Looking at your photos, it does look different than what most of us here have: What does it look like? (photos)
Although, some of the things you write may match.
Almost all people (not just on this forum) have demodex. So a positive demodex test doesn’t say much, unless the population density of demodex per square inch/cm is high. I haven’t seen anybody here reporting a demodex density test. (Except for myself, with a hand usb microscope, using a non-standard visual test.)
Itch on the face is common for the people here, but not whole body. (I sometimes do get itch on my back and head during excercise and heat, which may be cholinergic urticaria, but I’m not sure. But I can’t remember seeing other people reporting this here.) ( https://en.wikipedia.org/wiki/Cholinergic_urticaria )
Yellow fluid from lesions do match what people here have, but scales are not common.
Crusts on the eyelashes isn’t reported often, but can match what people here have. (I did have itchy and cursted eyelids.)
Looking at your photos, it looks bit like facial folliculitis (which can have many different causes) and acne.
Scales are often reported with skin problems like seborrheic dermatitis. But I don’t know much about it.
Hot flushes are often reported with rosacea. ( https://rosaceagroup.org/ is a good forum about it.)
So I’m not sure if you have what must of us here have. If you have it, than you should try Soolantra (which is also a product for rosacea). (Soolantra is often a very easy to use product, without much problems, although some people may respond with a bad reaction to it. So in case you start with it, you may want to try to use it slowly. For more info, see Bad first reaction .)
If you found a solution for your problem, or are going to start with Soolantra, or something else. Feel free to report back 