Vitamin C 15% Refillable Treatment Serum

A refillable serum featuring 15% L-ascorbic acid, 1% vitamin E, and 0.5% ferulic acid to brighten skin tone and smooth fine lines. This formula uses the gold-standard trio of actives at high concentrations to tackle dullness and environmental damage. It’s a potent, straightforward option for a morning routine, especially if you're looking for a more sustainable way to maintain your antioxidant step.