Quick answer

Wash bottles and nipples in hot, soapy water within two hours of use, rinse thoroughly, and sterilize daily for babies under 3 months or those with health concerns. Use a dedicated bottle brush for hard-to-reach areas and let everything air-dry on a clean rack.

Why proper cleaning matters

Baby bottles and nipples can harbor milk residue and bacteria that lead to digestive upset or thrush. Even invisible film can affect nipple flow and your baby's feeding. A consistent cleaning routine keeps feeding gear safe and functional, especially during the early months when your baby's immune system is still developing.

Step-by-step cleaning process

  1. Rinse immediately after feeding: Rinse bottles and nipples with cool or lukewarm water to remove milk residue. Do not let them sit for more than two hours, as bacteria multiply quickly. Common mistake: letting bottles pile up in the sink. Rinsing right away prevents dried-on milk that is harder to remove.
  2. Disassemble and wash with hot soapy water: Separate nipples, rings, caps, and bottles. Wash each part in hot, soapy water using a dedicated bottle brush. Use a smaller nipple brush to clean the inside of the nipple thoroughly. Checkpoint: If you see milk film inside the nipple after washing, scrub again with warm water and a drop of dish soap.
  3. Rinse thoroughly with hot water: Rinse all parts under hot running water to remove all soap residue. Soap residue can irritate your baby's mouth and affect nipple taste. Common mistake: rushing the rinse. Soap left on nipples can cause feeding refusal.
  4. Sterilize daily for young infants: For babies under 3 months, premature, or with health concerns, sterilize bottles and nipples daily. Boil parts for 5 minutes, use a steam sterilizer, or follow your dishwasher's sanitize cycle. Checkpoint: Over-sterilizing can wear down silicone nipples faster. Replace nipples if they become sticky or discolored.
  5. Air-dry on a clean rack: Place all parts upside down on a clean drying rack. Do not use a dish towel, which can transfer bacteria. Let them air-dry completely before reassembling. Common mistake: storing damp bottles. Moisture encourages mold growth. Ensure everything is bone-dry before putting away.

Products that make cleaning easier

  • Baby Bottles 2oz (2 pack): Lansinoh Baby Bottles 2oz (2 pack) come with Extra Slow/Newborn nipple flow and are designed for small, frequent feedings. The 2oz capacity is ideal for newborns. Smaller bottles mean less leftover milk to spoil, and the Extra Slow nipple flow reduces the risk of milk pooling in the nipple, making cleaning more straightforward.
  • NaturalWave® Nipples - 2 count: Lansinoh NaturalWave Nipples are clinically proven to reduce nipple confusion and encourage natural oral motion. Available in multiple flow options. Because these nipples mimic breastfeeding, their shape can trap milk in crevices if not cleaned properly. Using a nipple brush designed for their contours ensures no residue remains.