diff --git a/src/main/resources/templates/update-recipe.html b/src/main/resources/templates/update-recipe.html
index 9c9e9e2..eae9a56 100644
--- a/src/main/resources/templates/update-recipe.html
+++ b/src/main/resources/templates/update-recipe.html
@@ -8,6 +8,7 @@
     <link rel="stylesheet" th:href="@{/css/create-recipe.css}">
     <link href="https://fonts.googleapis.com/css2?family=Delius+Swash+Caps&family=Mali:ital,wght@0,200;0,300;0,400;0,500;0,600;0,700;1,200;1,300;1,400;1,500;1,600;1,700" rel="stylesheet">
 	<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.7.2/css/all.min.css">
+	<script th:src="@{/js/bad-words-list.js}"></script>
 </head>
 <body>
 
@@ -115,6 +116,13 @@
 
 <script>
 // ---- DOM refs ----
+
+function isProfane(str) {
+	  const lower = str.toLowerCase();
+	  return bannedWords.some(word => lower.includes(word));
+}
+
+
 const ingredientContainer = document.getElementById('ingredients-container');
 const stepsContainer = document.getElementById('steps-container');
 const dropZone = document.getElementById('drop-zone');
@@ -241,16 +249,16 @@ document.getElementById('add-tag-btn').addEventListener('click', function (e) {
 });
 
 function addTag() {
-  const input = document.getElementById('tag-input');
-  const val = input.value.trim().toLowerCase().replace(/\s+/g, '-');
-  if (!val || tags.includes(val)) {
-    input.value = '';
-    return;
-  }
-  tags.push(val);
-  input.value = '';
-  renderTags();
-}
+	  const input = document.getElementById('tag-input');
+	  const val = input.value.trim().toLowerCase().replace(/\s+/g, '-');
+	  if (!val || tags.includes(val) || isProfane(val)) {
+		    input.value = '';
+		    return;
+		  }
+	  tags.push(val);
+	  input.value = '';
+	  renderTags();
+	}
 
 function removeTag(t) {
   tags.splice(tags.indexOf(t), 1);
@@ -381,11 +389,22 @@ function validateForm() {
     showError(title, 'Title is required');
     valid = false;
   }
+  
+  if (isProfane(title.value)) {
+	    showError(title, 'Title contains inappropriate language');
+	    valid = false;
+  }
 
   if (!desc.value.trim()) {
     showError(desc, 'Description is required');
     valid = false;
   }
+  
+  if (isProfane(desc.value)) {
+	    showError(desc, 'Description contains inappropriate language');
+	    valid = false;
+}
+
 
   if (!prep.value.trim() || isNaN(Number(prep.value)) || Number(prep.value) <= 0) {
     showError(prep, 'Enter a valid prep time');
@@ -409,17 +428,85 @@ function validateForm() {
 
   const ingredientRows = [...document.querySelectorAll('#ingredients-container .dynamic-row')];
   const hasIngredient = ingredientRows.some(row => row.querySelector('.ing-name').value.trim() !== '');
+  const filledIngredientRows = ingredientRows.filter(row => row.querySelector('.ing-name').value.trim() !== '');
   if (!hasIngredient && ingredientRows.length > 0) {
     showError(ingredientRows[0].querySelector('.ing-name'), 'Add at least one ingredient');
     valid = false;
   }
+  
+  filledIngredientRows.forEach(row => {
+	    const nameInput = row.querySelector('.ing-name');
+	    const qtyInput = row.querySelector('.ing-qty');
+	    const unitInput = row.querySelector('.ing-unit');
+	    const noteInput = row.querySelector('.ing-notes');
+	    
+
+	    clearError(nameInput);
+	    clearError(qtyInput);
+
+	    if (!nameInput.value.trim()) {
+	      showError(nameInput, 'Ingredient name is required');
+	      valid = false;
+	    }
+	    
+	    if (isProfane(nameInput.value.trim())) {
+		    showError(nameInput, 'Ingredient name contains inappropriate language');
+		    valid = false;
+	   }
+	    
+	    if (isProfane(unitInput.value.trim())) {
+		    showError(noteInput, 'Ingredient unit contains inappropriate language');
+		    valid = false;
+	   }
+	    
+	    if (isProfane(noteInput.value.trim())) {
+		    showError(noteInput, 'Ingredient note contains inappropriate language');
+		    valid = false;
+	   }
+
+	    const qtyVal = qtyInput.value.trim();
+	    if (!isValidQuantity(qtyVal)) {
+	      showError(qtyInput, 'Enter a valid quantity (e.g. 2, 1.5, 1/2, 1 1/2) or leave blank');
+	      valid = false;
+	    }
+	  });
+  
+  function isValidQuantity(val) {
+	  const cleaned = String(val ?? '').replace(/\s+/g, ' ').trim();
+
+	  if (cleaned === '') return true;
+
+	  if (/^\d+(\.\d+)?$/.test(cleaned)) {
+	    return true;
+	  }
+
+	  if (/^\d+\/\d+$/.test(cleaned)) {
+	    const [numerator, denominator] = cleaned.split('/');
+	    return Number(numerator) >= 0 && Number(denominator) > 0;
+	  }
+
+	  if (/^\d+\s\d+\/\d+$/.test(cleaned)) {
+	    const [whole, fraction] = cleaned.split(' ');
+	    const [numerator, denominator] = fraction.split('/');
+	    return Number(whole) >= 0 && Number(numerator) >= 0 && Number(denominator) > 0;
+	  }
+
+	  return false;
+	}
 
   const stepAreas = [...document.querySelectorAll('#steps-container textarea')];
+  const filledSteps = stepAreas.filter(textarea => textarea.value.trim() !== '');
   const hasStep = stepAreas.some(textarea => textarea.value.trim() !== '');
   if (!hasStep && stepAreas.length > 0) {
     showError(stepAreas[0], 'Add at least one instruction step');
     valid = false;
   }
+  
+  filledSteps.forEach(textarea => {
+	  if (isProfane(textarea.value)) {
+	    showError(textarea, 'Step contains inappropriate language');
+	    valid = false;
+	  }});
 
   if (!valid) {
     document.querySelector('.invalid')?.scrollIntoView({
