First Aid Beauty Anti Redness Serum-1.7 oz.FAB Anti-Redness Serum is packed with caffeine, a natural vasoconstrictor that can help with visible skin redness. Colloidal sulfur in the formula works to combat the root cause of facial redness. Aloe soothes while ginger works as a natural, powerful anti-inflammatory. Bisabolol is an exceptionally gentle anti-inflammatory that aids penetration of our formula"s actives.