diff --git a/.changeset/gentle-styles-hydrate.md b/.changeset/gentle-styles-hydrate.md
new file mode 100644
index 0000000000..f63d4e274c
--- /dev/null
+++ b/.changeset/gentle-styles-hydrate.md
@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: remove temporary raw-text hydration markers
diff --git a/packages/svelte/src/internal/client/dom/blocks/svelte-element.js b/packages/svelte/src/internal/client/dom/blocks/svelte-element.js
index 6df020d2d7..84217c57e3 100644
--- a/packages/svelte/src/internal/client/dom/blocks/svelte-element.js
+++ b/packages/svelte/src/internal/client/dom/blocks/svelte-element.js
@@ -88,9 +88,11 @@ export function element(node, get_tag, is_svg, render_fn, get_namespace, locatio
 				assign_nodes(element, element);
 
 				if (render_fn) {
+					var tmp_comment = null;
+
 					if (hydrating && is_raw_text_element(next_tag)) {
-						// prevent hydration glitches
-						element.append(document.createComment(''));
+						// prevent hydration glitches (code just below expects an anchor)
+						element.append((tmp_comment = document.createComment('')));
 					}
 
 					// If hydrating, use the existing ssr comment as the anchor so that the
@@ -114,7 +116,7 @@ export function element(node, get_tag, is_svg, render_fn, get_namespace, locatio
 					// contains children, it's a user error (which is warned on elsewhere)
 					// and the DOM will be silently discarded
 					render_fn(element, child_anchor);
-
+					tmp_comment?.remove();
 					set_animation_effect_override(null);
 				}
 
diff --git a/packages/svelte/tests/hydration/samples/script/_expected.html b/packages/svelte/tests/hydration/samples/script/_expected.html
index b3a4d92219..3a19aa3b9b 100644
--- a/packages/svelte/tests/hydration/samples/script/_expected.html
+++ b/packages/svelte/tests/hydration/samples/script/_expected.html
@@ -1 +1 @@
-<!--[--><!----><script>{}<!----></script><!----><!--]-->
+<!--[--><!----><script>{}</script><!----><!--]-->
diff --git a/packages/svelte/tests/hydration/samples/svelte-head-dynamic-style/_config.js b/packages/svelte/tests/hydration/samples/svelte-head-dynamic-style/_config.js
new file mode 100644
index 0000000000..50e03336c6
--- /dev/null
+++ b/packages/svelte/tests/hydration/samples/svelte-head-dynamic-style/_config.js
@@ -0,0 +1,7 @@
+import { test } from '../../test';
+
+export default test({
+	props: {
+		css: 'body { color: red; }'
+	}
+});
diff --git a/packages/svelte/tests/hydration/samples/svelte-head-dynamic-style/main.svelte b/packages/svelte/tests/hydration/samples/svelte-head-dynamic-style/main.svelte
new file mode 100644
index 0000000000..7eacce62c2
--- /dev/null
+++ b/packages/svelte/tests/hydration/samples/svelte-head-dynamic-style/main.svelte
@@ -0,0 +1,9 @@
+<script>
+	let { css } = $props();
+</script>
+
+<svelte:head>
+	<svelte:element this="style" type="text/css">{css}</svelte:element>
+</svelte:head>
+
+<p>content</p>