Shiseido Shiseido Ultimate Sun Protector Lotion SPF 50 Plus Duo , 2 x 5 oz Lotion

An invisible sunscreen veil that becomes stronger when exposed to heat, water, and sweat, HeatForce Technology A heat-sensing essence in the cream that becomes activated by external heat, forming a stronger barrier.

• It formulated to be water- and sweat-resistant for up to 80 minutes
• The silky sunscreen delivers peak protection
• It becomes even more effective in heat and water
• Negative ions in the formula combine with positive ions in perspiration and water to create an additional layer of invisible sun protection
• A heat-sensing essence in the lotion becomes activated by external heat, forming a stronger barrier.