I use this and can play a round of golf without getting burnt.
Note: you must use all organic products
Melt the following over a low heat:
40 grams Mango Butter
40 grams Shea Butter
50 grams Coconut oil
Stir in 20 grams zinc oxide (non nano)
Then add the following:
30 mls Carrot Seed oil (SPF 38-40)
30 mls Raspberry seed oil (SPF 28-50)
20 mls Wheatgerm oil (SPF 20)
10 mils Jacoba oil
Cool then put into a jar and into the fridge, shake or stir every so often until it has hardened.