Allies of Skin 35% Vitamin C+ Perfecting Serum, 1 fl oz $139.00 in stock Buy Now for $139.00 Allies.shop Most Vitamin C serums today contain 15% — 30% of Vitamin C and are formulated with water. But our 35% Vitamin C+ Perfecting Serum is the world’s first and only waterless formula with a 35% concentration. … Continue reading Allies of Skin 35% Vitamin C+ Perfecting Serum, 1 fl oz