(R.S.G) Cosrx products are hit or miss depends on how you use it
I love Corsx brand and tried several different products and the main thing with it - you should carefully follow the instructions. Dont overdo, especially with retinol, its better to start lightly and do a test on a small patch of skin first. I like this Retinol oil, but when applied incorrectly ( read - on the skin that wasn't prepared/ moisturized well first) it can cause dryiness or&acne outbreaks. But thats fair for ANY retinol products in general.
Overall, Im satisfied with the first results - my skintone looks more even after just a 2 weeks.
