Amazon calculates a product’s star ratings using a machine learned model instead of a raw data average. The machine learned model takes into account factors including: the age of a review, helpfulness votes by customers and whether the reviews are from verified purchases.
Love it - smooths my skin right away and after a week of using it my acne scarring started to disappear. Skin is smooth for the first time in a long time! ** Never had severe acne, just usually one or two pimples at a time, which I tend to pick at