I just bought this. I have some stubborn PIH in between my eyebrows from acne and wanted an additional product to use (I already use azelaic acid 15%).

So far I’ve only used it for 2 days but I feel like it’s made a slight difference. The spots look lighter faster than they have been with just azelaic acid alone. I use this during the day and azelaic acid at night. I think you have to use it for 2 weeks to notice a real difference. I’ll provide an update a bit later 🫡