Qtica 1/2 Time Polish Drying Accelerator is a colorless, odorless liquid which uses an organic crystal compound to thoroughly dry polish in 5-7 minutes on natural and artificial nails - So dry that you can hit it with a pencil! 1/2 Time applies with its own eye dropper over the last coat of polish, spreading evenly on the nail and coating and protecting the cuticles. Its safe, non-toxic and odor free. No lights or heat are needed.