Can you apply this directly to your chest? 20 September 2024 12:11 Updated We recommend applying the nipple shield to a clean and dry breast. Always consult a lactation consultant before use. Related articles Which size nipple shield do I need? Does this make breast milk taste different? Can the nipple shields be reused? Do you need to pinch one nostril shut while using the Electric Nose Cleaner on the other nostril?