Garancia Elixir du Marabout Serum

I recently went hunting for some new serums to try, and decided to give this one a go after it was recommended by a friend. Garancia is a French brand that I had never tried before. Their concept revolves around witchcraft and magical potions, which is usually not my cup of tea (I'm more into science when it comes to skincare) but if it works... why not, uh? What it is. So this Elixir is