This snippet will exclude all products from any categories which you choose from displaying on the WooCommerce Shop page.

wc-exclude-product-category-from-shop-page.php

function custom_pre_get_posts_query( $q ) {

    $tax_query = (array) $q->get( 'tax_query' );

    $tax_query[] = array(
           'taxonomy' => 'product_cat',
           'field' => 'slug',
           'terms' => array( 'clothing' ), // Don't display products in the clothing category on the shop page.
           'operator' => 'NOT IN'
    );


    $q->set( 'tax_query', $tax_query );

}
add_action( 'woocommerce_product_query', 'custom_pre_get_posts_query' );

I like to use the code for an adult section that must be hidden from the home page.
But it must be possible to do an order? is that possible?

category "Adult" must be hidden from the main page. But when you search or click on an other page then it must be visible

Is that an option to fix?