This Sunscreen for daily use provides skincare by protecting the skin from UV rays and harmful environmental factors. All Around Safe Block Waterproof Sun Essence SPF 50 provides a high level of protection against harmful UVA/UVB rays. Helps prevent sunburn and reduce the risk of skin cancer and premature ageing. To use: For best protection, apply 30 minutes before sun exposure. Reapply every 2-3 hours, and any time your skin is exposed to significant water or sweat.