French acrylic nail extensions acrylic extensions are the hardest wearing extensions so are great if you use your hands a lot or tend to break nails easily these need to infilled after approximately 2 3 weeks if you want to remove the acrylics you will need to return to the salon to have them soaked off coloured acrylic nail extensions acrylic extensions are the hardest wearing extensions so are great if you use your hands a lot or tend to break nails easily these need to infilled afte