Natural Matter has great pleasure in introducing Alva Sanddorn Lip Balm 3.5g . Sea buckthorn has a natural SPF of 4. This, combined with its ability to hydrate the skin, makes this lip balm suitable for all environments (sun or snow). . Please see more in the Natural Matter health and fitness shop for the entire Alva range. If you have any questions regarding this product please contact info@naturalmatter.co.uk and we will try our best to help you.