love i got this for my daughters birthday [SEP] love i got this for my daughters birthday but who am i kidding i got it for me first i did coat of each color just to try it out it definitely needs coats the coat did not last very long so i have been doing coats of clear also it does work when clear polish is over it i can see a change in every color usually my feet are the cold color and my fingers are the hot color love this stuff