OXY Maximum Face Scrub. Dermatologically tested & suitable for sensitive skin. Contain Vitamin B5. Proven to reduce the number of spots within 48 hours. 8 out 10 said it reduced the size and redness of spots within 48 hours. What makes OXY maximum face scrub different? Phycosaccharide – containing natural seaweed extract - Kills P acnes - Reduces redness - Sebum (oil) control. Jojoba and Silica beads - Silica works on rough top skin layer - Jojoba beads refine the skin.