VSL PRO VITAB3 LUMINOUS 6P 7.5Z. Benefits: Immediately after use, your skin will be left with a hydrated, healthy glow. Vaseline serum is also clinically proven to provide all-day hydration. Features: Vaseline's light and breathable serum bursts into water droplets and absorbs instantly, leaving behind a soft-velvet feel. Key Ingredients: Enriched with Vitamin B3 (Niacinamide), Hyaluronic Acid, Ultra-Hydrating Lipids, and Vitamin E. It is paraben-free and dermatologist tested..