50ml of assorted sensations sachets, normally £3.99 but currently a free offer with the Vibrating Love Ring being the cheapest item to qualify.
Cheaper per ml than the Superdrug offer.
Plus 21% quidco or topcashback. Plus 500 points for new LH account, and another 100 for recycling the vibrator, equals about £3 worth of Oh points. So end up with £9 worth of stuff for a cost of less than £2, and also a voucher for £10 off £50 next order.
Quidco cashback is 16%.