Amazon calculates a product's star ratings based on a machine learned model instead of a raw data average. The model takes into account factors including the age of a rating, whether the ratings are from verified purchasers and factors that establish reviewer trustworthiness.
Goes in a little lighter shade than shown in the picture. Otherwise it is smudge proof to a high extent unless you rub your eyes hard. Water resistant and longlasting. Brightens up your eyes. I prefer liquid liners over the pencil ones so ya a thumbs up!