1. Apply enough amount and thoroughly entire face and neck 2. Apply 20 minutes before sun exposure 3. Apply only water-resistant sunscreen SPF 50 + up
Chemical sunscreen such as Avobenzone, Oxybenzone, Octocrylene, Homosalate, Octisalate, Octinoxate , can penetrate to blood stream and danger the body health. Better apply natural sunscreen from Titanium dioxide or zinc oxide which reflect the UV light instead of absorbing.