Hey looks like you are off to a great start. There are always those sickening people who can just pick up a brush and are a natural. But it is rare, and take consolation in the fact that I am a very slow learner with regards to the airbrush, but even I am managing to learn though slowly but surely. If I can, anyone can. Determination and time spent practising is all you need. Just keep plugging away and the penny will drop and you will realise one day you are not thinking about how to paint, or make the right stroke, or how to mix your paint - you are just doing it.
From your pics, I would suggest reducing your paint more, (and lowering your air to suit if needed to avoid spidering). I don't know what your mixture is now, but I reckon you could maybe do quite a bit more. It means you have to build up slower in more layers, but that gives you the ability to get more subtle blends and fades, and stops you going too dark to soon. Lower pressure gives you more control too. You have to find the balance, so it will take time and experimentation. When you do the eyelashes you may find you want a bit of a darker mix to get one off clean strokes. It's all about learning the paint and adjusting on the fly for the effect you need. But generally I like to work with lower pressure, thinner paint for more control - which also means no tip dry or overspray. Except when painting t shirts. Then its the opposite, high pressure and thicker paint
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