.... what other serums would you recommend?
I'm ideally looking for suggestions from those who have tried and also liked Double Serum, rather than general serum recommendations, if possible, as I know there are loads of good ones out there but keen to know if there's anything else which would suit my skin like this one does.
I'm almost at the end of my current bottle so was wondering if anything else compares before I bite the bullet and buy another bottle.
Many thanks!