Naturium Vitamin C Complex Serum 2 fl oz — L‑Ascorbic Acid, Hyaluronic Acid for Brightening & Hydration

This jumbo 2 fl oz serum blends a high-concentration vitamin C complex with hydrating and skin-supporting ingredients designed for daily use. The formula centers on a stabilized form of L-ascorbic acid and Kakadu plum—an ingredient naturally rich in vitamin C—plus multi-weight hyaluronic acid for immediate and lasting hydration and vitamin E to support antioxidant activity. The product is made in the USA, vegan, cruelty-free, dermatologist tested, and formulated to be skin compatible.

How quickly will I notice changes in my skin?

Users can expect instant hydration from the hyaluronic acid and progressive visual improvement over weeks. A clinical study referenced by the brand reported improvements in the appearance of fine lines and wrinkles within a 4-week timeframe, measured during an 8-week trial of 32 subjects.

• Immediate: visible plumpness and smoother texture from hyaluronic acid.
• 4 weeks: reported reduction in the appearance of fine lines in the study.
• 8 weeks: continued improvement noted in the clinical evaluation.

How should I use this serum in my routine?

Apply an even layer to clean skin on the face, neck, and chest both morning and night, avoiding the eye area. For daytime use, follow with a moisturizer and broad-spectrum sunscreen to protect skin and maintain results.

• Morning: cleanse, apply serum, follow with moisturizer and sunscreen.
• Evening: cleanse, apply serum, follow with a hydrating moisturizer.
• Patch test recommended for sensitive skin before full-face application.

Is this serum suitable for sensitive skin?

The formula is labeled appropriate for most skin types, including sensitive skin, though individual reactions vary. Because it contains concentrated L-ascorbic acid, a short patch test is advised prior to regular use to confirm tolerance.

• Contains skin-compatible pH-balanced formulation to reduce irritation risk.
• Synthetic fragrance free in most Naturium products, lowering irritation chance.
• Patch test on inner forearm and monitor for 24–48 hours.

What key ingredients are in the formula and what do they do?

The serum combines clinically recognized actives and complementary hydrators to target brightness, hydration, and antioxidant support. Each component is chosen to enhance skin appearance without unnecessary additives.

• Stabilized L-ascorbic acid: potent, direct vitamin C source for brightness.
• Kakadu plum: a botanical source of natural vitamin C to complement potency.
• Multi-weight hyaluronic acid: delivers immediate and deeper hydration.
• Vitamin E: antioxidant support and formulation stability.

Who is this for? This 2 fl oz Naturium Vitamin C Complex Serum is aimed at users seeking a clinically researched vitamin C solution in a larger size—ideal for those who want daily antioxidant protection, hydration, and visible smoothing of fine lines. It suits people with normal to dry, combination, or sensitive skin (after patch testing) who follow a skincare routine and want a cost-effective, dermatologist-tested serum made without parabens, gluten, or animal-derived ingredients.