I've notice that after we wash & air dry our silicone nipples, frequently they will have a light whitish kind of film on the inside. This film survives boiling water sterilization too. I would
240ml Black Lotion Squeeze Silicone Bottle, Refillable Squeeze
2-in-1 Silicone Bottle Brush Innobaby Cleanin' SMART – innobaby
/images/thumb/c/cc/Clean-Bottle-Nip
Philips Avent Natural Response Nipples
Nanobebe White 9oz Anti-Colic Flexy Silicone Baby Bottles
Step-by-Step Guide to Sterilizing Baby Bottles
Best Baby Bottle Brushes of 2024
7 Best Baby Bottle Brushes of 2024
Non-Scratch Silicone Bristle Bottle – Nuby
Wide Neck Baby Glass Bottle Nipple Single-Pack –
mimijumi breastfeeding baby bottles
Evenflo 3501111 - McKesson Medical-Surgical