SUNSCREEN
Get yourself a bottle of olive oil doesnt have to be the extra vigin a cheap one is ok.
get in addition a bottle of panda pops / small lemonade bottle, rinse thoughraly fill to about one third full of olive oil put the rest away and forget about it.
sip the olive oil from the smaller bottle occasionaly more to start then just to top up.
Stay in the shade + cover up well.
If you don't consume alcohol drink plenty of water.
If you do consume alcohol stay in the shade and try to remain calm when drinking cool-beer.
Beware also of burns from dosing or just not noticing paricually , On The Head, Neck, Shoulers, Chest, or Back if uncovered ANYTHING is at risk from the sun's rays. try to be a bit more aware and don't wash-off the 'sun-tan' to much !