Why Did my Permanent Eyeliner Peel, Twice?

I had my eyeliner done three weeks ago. The entire strip peeled off, taking the pigment with it. I went back for a touch up and to make the lines thicker like I wanted. Followed aftercare instructions to the tee. Woke up this smorning and the ssame thing happened on one eye. Found the entire strip peeled and laying on my pillow. What should I do now? The area looks pink andmot much pigment left.

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