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De La Ossa, who has more than 23,000 Instagram followers, says the interest in her work has been "insane."
"People have genuinely surprised me by taking this weird thing I do at face value and encouraging me to do more," she wrote. "Unbelievable."
A ghost that's equal parts terrifying and beautiful
Monster makeup
Monster makeup
You'll rethink the next time you say, "I'll just put on my face"
Monster makeup 2
Monster makeup 2
Makes us glad we have skin
Monster makeup 3
Monster makeup 3
For those "female pinhead cenobite" sort of days
Monster makeup 4
Monster makeup 4
Have you got your head screwed on?
Monster makeup 5
Monster makeup 5
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This looks more like digital manipulation than makeup
Monster makeup 6
Monster makeup 6
The artist calls this the "favourite zombie she's ever done"
Monster makeup 7
Monster makeup 7
"It's better to be a lion for a day, than a sheep all your life."
Monster makeup 9
Monster makeup 9
Shark attack!
Monster makeup 8
Monster makeup 8
Friday the 13th's Jason in his trademark hockey mask
Monster makeup 10
Monster makeup 10
See more of Andrea's scary makeup looks on Instagram.
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