This SPF50+ two–in-one suncream and lip salve is both sweat resistant and easy to use.
Lifesystems Mountain SPF50+ Sun Cream Stick
The Mountain SPF 50+ sun cream stick is an easy-to-use, sweat resistant, 2-in-1 sun cream and lip salve, ideal for use at high altitude. The cream contains highly effective broad spectrum UV filters that protect the skin from both UVA and UVB rays.
How to Use : Apply liberally over dry skin 30 minutes before sun exposure. One application lasts for up to 6 hours. Reapply every 2 hours at high altitude, areas of increased humidity, after swimming or using a towel.