The Hydrabio Mask by BIODERMA is an ultimate hydrating facial mask that helps retain moisture in the skin. As mentioned by muna in their video review, this mask is perfect for the start of winter when our skin needs extra hydration. With just 10 minutes of application, it leaves the skin feeling refreshed and nourished. The Hydrabio Mask is a great addition to any skincare routine, providing the much-needed hydration to combat dryness. However, it's important to note that individual results may vary. Overall, muna's review highlights the effectiveness of the Hydrabio Mask in keeping the skin moisturized, making it a must-have for those seeking a hydrating boost.