What is the difference between acrylic nails, gel nails, and solar nails?

I currently have acrylic nails but they are so thick and have to be covered while tanning. Also, I always have a french manicure, but the tips (where they are air-brushed) look terrible after a few days. I also have a major problem with them lifting. Are gel or solar nails better? Also, how can I make sure they are... show more I currently have acrylic nails but they are so thick and have to be covered while tanning. Also, I always have a french manicure, but the tips (where they are air-brushed) look terrible after a few days. I also have a major problem with them lifting. Are gel or solar nails better? Also, how can I make sure they are true "gel" nails? I have heard that some salons will try to pass acrylic as gel.
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