The Twincoat is cured for two minutes under the light unit before and after application of the UV Polish gel. The dispersion film is only removed for finish with the High Gloss Cleaner. The UV Twin Coat is applied to the buffered natural nail and cured for 2 minutes under the UV lamp. The UV Polish color varnish is then applied and cured for 120 seconds. When finished, apply a thin layer of the Twincoat, cure and clean.