Biotherm Hydrating Tonic for Dry Skin Biosource is a moisturizing and nourishing facial toner. The 400 ml formula provides 24-hour hydration, leaving the skin refreshed and supple. Enriched with exclusive Biotherm care ingredients, it helps restore the moisture balance and prepares the skin for better absorption of subsequent products. Ideal for daily use, it gently tones without stripping natural oils, promoting a smoother, healthier complexion. Perfect for anyone seeking long-lasting moisture and a soothing skincare routine.