Support your own collagen production & free radicals with the NIOD Ethylated L-Ascorbic Acid 30% Network, a 30% concentration face serum. Enriched with a blend of antioxidant nutrients including selenium & niacinamide, the 30% concentration face serum will support collagen production & noticeably improve the appearance of hyper-pigmentation. The highly concentrated serum will also fight against free radicals, enhance the skin's barrier functions & revive the skin's tone for a healthier, more radiant appearance. The benefits of the Ethylated L-Ascorbic Acid 30% Network will be noticeable from the third day of use, with continued improvements over time. Apply to face nightly only, avoiding contact with the eyes. If used as part of a NIOD regimen, apply after the Copper Amino Isolate Serum & Multi-Molecular Hyaluronic Complex, but before Hydration Vaccine. If used with alternative skincare, apply after serums & before thicker formulations.