According to the product description, the serum provides a "two-week transformation" using Bio-PDRN and a potent 20,000ppm caffeine infusion that "targets sagging skin for a more defined and invigorated appearance.".
The retailer has the Revitalift Filler Eye serum with 2.5% Hyaluronic acid + Caffeine for £31.99, as well as The Ordinary Caffeine Solution 5% + EGCG for £8.40.
For a bargain option, there's the Revolution Skincare 5% Caffeine Solution + Hyaluronic Acid Targeted Under Eye Serum 30ml for £4.
The product, the IOPE BIO-PDRN Caffeine Shot Face Serum, is currently on sale at Amazon for £41, down from £44.
The IOPE BIO-PDRN Caffeine Shot Face Serum has an overall rating of 4.3 stars, having racked up many rave reviews.