I get where you're coming from—wax can be a pain if it stays tacky, and it’s not just you. I’ve run into that, especially if it’s humid or I lay it on...

Improving airflow definitely helps, but have you checked if your closet walls are insulated properly? Sometimes mold issues come from temperature diff...

Surface prep definitely matters, but honestly, silicone isn't always the best choice for damp areas. I've had similar issues with peeling in bathrooms...

Another thing that can help is going with sheer curtains instead of heavier drapes—lets in softer, diffused light without sacrificing privacy. Curious...