Expensive but work so well

I got this serum as a gift! I was so happy because never I'll buy myself a skin care that expensive... But its work so well! The first time i put the serum on my clean skin ..then when i go back home in the evening i saw that my little wrinkles just disappear!! Its CRAZY!! Im only 31 but i do have wrinkles side of my mouth because im always smiling! I definitely recommend this product.. Yes its expensive but omg its work so well.. At this point i think its better to pay more for a product that work for real!