Stiftung Warentest has tested 20 nail polishes and finds that not everything that glitters is gold. The luxury brand Dior for a proud 15.50 euros shares first place with the much cheaper brand Essie, for just 3.70 euros per 5 milliliters.
The losers in the test disappoint above all with questionable ingredients and false promises. The complete review of nail polish is available at StiftungWarentest (subject to a fee) (more reviews here)