Refilling a Bioderma micellar water bottle can be tricky due to its intentionally difficult design meant to prevent waste or contamination. The cap is sealed firmly and the opening is small to maintain surface tension, making it seem unrefillable at first glance. However, with patience and some simple hacks, you can extend the life of your bottle and reduce plastic waste. One helpful tip is to avoid sharp tools that might compromise the plastic, as noted from firsthand attempts. Instead, using a gentle tilting motion helps minimize air bubbles and foam that form during pouring, since micellar water tends to foam a lot. Trying different angles carefully can prevent spillage and reduce mess. Also, if you plan to reuse the bottle, ensure it is thoroughly cleaned with mild soap and water before refilling it with fresh micellar water or a compatible solution. This will help keep the product effective and safe for your skin. By adopting this refill method, not only do you save money, but you also contribute to reducing single-use plastic waste—a goal worth striving for in skincare routines. This approach aligns well with sustainable beauty practices many users are embracing today. Overall, this practical workaround offers a smart, environmentally friendly way to make the most out of your Bioderma micellar water bottle despite its unrefillable appearance.