Lifesystems Mountain sun screens are also sweat-proof, so will last longer during high levels of activity
The sweat resistant Mountain Formula SPF 50 is ideal for use at high altitude. This long lasting cream is broad spectrum providing SPF50 against UVB rays and 5***** protection against UVA rays. The 50ml bottle is specifically shaped to fit into pockets.
Mtn Sun SPF50 50ml - B0017MM3U0