10.01.15
US Patent No. 9,107,843 B2; L’Oréal Paris S.A. has patented a sunscreen composition having a sun protection factor of 150 to 172 comprising the following combination of ultra violet filters—octocrylene, avobenzone, oxybenzone, octisalate and homosalate—in the following ratios relative to avobenzone:
• Octocrylene to avobenzone is 1.6:1.0 to 2.4:1.0;
• Oxybenzone to avobenzone 1.0:1.0 to 1.6:1.0;
• Octisalate to avobenzone is 0.8:1.0 to 1.3:1.0; and
• Homosalate to avobenzone is 2.8:1.0 to 4.3:1.
• Octocrylene to avobenzone is 1.6:1.0 to 2.4:1.0;
• Oxybenzone to avobenzone 1.0:1.0 to 1.6:1.0;
• Octisalate to avobenzone is 0.8:1.0 to 1.3:1.0; and
• Homosalate to avobenzone is 2.8:1.0 to 4.3:1.