A good serum , I use it at night. I like the packaging it's very cute plus the bottle is 50ml this is waaay bigger than other serum I ever tried and I thinks this is good. Actually don't mix this serum with product that contains BHA/AHA or some acne product because this will tickle a little but nothing too bad ( don't know for sensitive skin sorry ) However this is a good serum I see a little of my hyperpigmentation gone and I'm happy with it.