I love this booster! It made my love for the other products in my skincare ritual even greater and really does boost the effect of the products applied afterward. The only downside is the price. I used this product both morning and night (as directed), and the bottle, which is only available in 30ml (at least around here), only lasted me about a month. I would love to buy it again, but the price causes me to be a bit hesitant. I feel like you could probably find a similar product for a more reasonable price.