Jack Black Oil-Free Sun Guard SPF45 This vitamin-enriched, oil-free, water and sweat-resistant lotion offers superior UVA/UVB protection and absorbs quickly without leaving a greasy residue. Formulated for extreme conditions, Sun Guard forms a barrier of protection and stays on during intense physical activity in and out of the water. Lightweight, non-greasy and absorbs quickly Sweat and water resistant Directions of Use: Apply 30 minutes before sun exposure for maximum protection. Reapply after heavy perspiration or towel drying, or after 60-80 minutes of sun exposure.