Created for Dry or Mature Skin: This oil serum was formulated to deeply nourish and hydrate dry or aging skin, leaving it soft and replenished. 5% Vitamin C (THD Ascorbate): A stable, oil-soluble form of Vitamin C that supports brighter, smoother-looking skin over time with less irritation. Botanical Oil Blend: Includes skin-friendly oils like Squalane, Rosehip, and Apricot Kernel to moisturize and restore skin’s natural glow. Peptide Complex: Contains Matrixyl 3000 to support skin elasticity and firmness for a more youthful appearance with consistent use. Realistic Expectations: This is a rich oil serum—not a fast-drying product. Visible results typically appear after 30 to 60 days of regular use. Individual experiences will vary. Enhance your skincare routine with the Vitamin C Oil Serum by St. Croix Products, specifically formulated for aging and dry skin. This unique anhydrous (no water) oil serum features 5% Vitamin C (Tetrahexyldecyl Ascorbate), a stable, oil-soluble form of Vitamin C known for supporting brighter, smoother-looking skin over time. Enriched with skin-nourishing botanical oils like Squalane and Rosehip Seed Oil, the serum deeply hydrates and softens dry skin. It also contains Matrixyl 3000, a well-known peptide complex that supports firmer-looking skin, and Hyaluronic Acid for additional hydration and suppleness. Please note: This is a 100% oil-based serum designed specifically for dry or mature skin. While it absorbs quickly, it is made entirely of nourishing plant oils—there is no water or silicone in the formula. Most users begin to see visible improvements in skin tone, smoothness, and hydration with consistent use over 30 to 60 days. Individual results will vary based on skin type and routine. Formulated and manufactured in-house in Minnesota by cosmetic scientists.