Did you know that some UV protection filters can break down in the sun? So the protection you"re getting may be lower than you think. All Garnier Ambre Solaire products contain a Photostable UV filtration system. So the protection you apply is the protection you get.Garnier Ambre Solaire nourishing lip protection stick is an advanced Photostable UV protection for lips. It protects lips from drying and sun-induced damage. It is dermatologically tested.How does it work? UVA* formula 100% conforms to European recommendations for protection against the harmful effects of UVA and UVB rays. The formula contains Mexorylandreg; SX, a unique patented filter. It protects the lipsagainst the sun"s harmful UVA and UVB rays. SPF 20 stick also contains rich moisturisers and pure vitamin E, to protect the lip"s natural moisture levels during sun exposure. Protected and hydrated, your lips is better defended against the sun"s harmful rays.