Uvistat Lipscreen SPF50 with Five Star UVA protection. Helps protect against cold sores, which are often triggered by sunlight. Contains tea tree oil and Vitamin E. totally transparent. Can be worn under lipstick. Moisturising helps prevent dry chapped lips. Uvistat Lipscreen SPF50 pr s high UVA protection for sensitive lips to moisturize your lips and pr deep hydration. This product also pr s extra protection and helps prevent cold sores during winter. With Vitamin E and Tea Tree oil, it helps repair sun damaged skin and prevent premature aging.