To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
I suspect that it is not an original YSL product. I have had plenty of YSL lipsticks in the past but this one is the worse and mostly due to the quality. The smell reminds me of chemicals, it does not stay on and smudges all over the place. I am very disappointed.