Hide entry-header for a specific category

You can try :

body.category-uncategorized .entry-header {
    display:none;
}

“uncategorized” Should be your category slug. This is for the post category only. If you have a custom registered category then you can check the element. There you should get your category name.

This is what for WooCommerce category:

So you should use like this for WooCommerce “accessories” Category:

body.term-accessories .entry-header {
    display:none;
}

Hope this will help.