The final effect is very successful, but ... The application is longer than a conventional mascara without the effects are really obvious. An additional nozzle into the tube is intended to increase the length and increase the pigmentation of the lashes. This promise is not specifically required, however, this morning, I have an eye makeup with this product and the other with my usual mascara (the same brand elsewhere). And .... No one noticed any difference. Conclusion: Although this is a good mascara, there's really no point in spending more for gadgets functions.