Aesthetics My First "Real" Faceup - How am I doing?

Well done she looks great I love the eye brows and how you can see all the little 'hairs'. They really bring her to life. As for constructive criticism, I could only suggest deepening the contour and highlight to really showcase her features, but that is more personal preference than anything.

 

You look like you've got a pretty good handle on what you're doing. Nice eyebrow shape, very good color palate, nice variation in tones and shades. I really think you've come to the point where the only thing holding you back is your materials. A good, even sealant is what you need to get going most. Heat isn't really too much of an enemy to spray sealant - humidity is, so you may want to experiment with some sprays. You can get MSC or Volks Finishing spray for not a whole lot from the Volks USA store online, or there are a myriad of tried and trues available at may local hobby stores (check the sealant sticky in the customization forums).

If you have your heart set on an airbrush, you might see if anyone you know locally has one they'd be willing to let you try to see if an airbrush is right for you. I, for example can't get a good result with one to save my life, and wish I had tried a friends before dropping the money on one. (I did the gal in my profile pic with pastel, acrylic and Volks finishing spray)

 

I'd maybe try to make the eyebrows and lashes a lot more sparse.. Look at your eyebrows and lashes in the mirror closely.
Also I'd maybe recommend investing in a 100/0 brush, I like the Artetje 100/0 brush, for thin fine tiny hair lines.

Dilute your acrylic to almost ink -- pale watery ink consistency. I put a few (5 or 6) drops retarder ( the fluid ) into a well nap of my palette and then add one tiny little drop of paint.
Use the doll's head cap, I find this invaluable, to empty your brush and do a quick practice line, then move onto making that line on the real face.
Also your bottom eyelashes are marked straight down. When you look in the mirror, you can see that they curve out, then down, out of your lower eyelid. Maybe try and draw them/paint them with a curve, like make them come "out of the skin of the lover eye" a bit sideways, then curve them gently down. As well, lower eyelashes usually only grow from the outside corner of the eye to about the middle eye, fuller in the corner, then slowly thinning out towards the middle of the eye. You have them go all the way to the inner eye corner.

Those'd be the main parts I'd try and practice.
Isn't it fun, doing face ups?

Editing to add that what I meant by making the eyebrows more sparse, is maybe make fewer, but longer hairs. Again, look at your own eyebrows in the mirror. The eyebrows now appear brushy to me (also because all the hairs are about the same length and very straight, maybe make some hairs longer and a bit curved, look at your own eyebrows again) and, as is evidenced by her lovely pink wig, that pretty girl's capable of growing longer hairs

 

I hope my first “real” faceup turns out this well! Her lips especially look very plush, nicely done! My suggestion would be that the lashes are very dense compared to the rest of her makeup.

 

May I asked where you sourced these? I know where to get human lashes but the ones I buy are stupid expensive and only used when I’m modeling. I can’t imagine dropping $20-30 on a doll’s lashes.