Act as a cutting-edge product designer with expertise in wearable technology. Create a highly detailed, futuristic smart hairband that monitors hydration levels and alerts the user when they need to drink water. The design should feature [sleek, minimalist aesthetics] with [subtle LED indicators] that change color based on hydration status. Include [advanced moisture sensors] seamlessly integrated into the band. The scene should showcase the hairband being worn by a [stylish, active individual] in a modern, high-tech environment, with a subtle glow indicating hydration alerts. Use a vibrant, clean color palette with a focus on [soft pastel blues and whites] to convey freshness and hydration. Render the product with ultra-realistic materials like [smooth silicone] and [lightweight titanium accents] for a premium feel.