P20 once a day - cheaper alternatives?

[sugarmonster64]

Just that really. Use P20 and find it very good but wondering if there's any cheaper alternatives that are as effective? Heard aldi sun cream highly regarded but do they do a once a day version?
Thanks

[teawamutu]

Calypso is a complete dupe and just as good, but a fiver. Available aldi, Wilkos and savers.

[70isaLimitNotaTarget]

If you go to Costco or know anyone who does - they sell it there , much cheaper.