Can i use a hylands product made for 2-12 year olds in a 1 year old baby?

I believe Hyland makes several products. You did not indicate what it contains or why you would use it for anyone. much less the age it is not for. When you post on this site please be specific and provide enough details for a site doc to review & consider an answer. You are welcome to start over with the ingredients of the product & why it is considered for use.

Nasal saline is often as effective as an over the counter decongestant. For younger children, avoid cough syrup and determine the cause of the congestion. COVID screening recommended. Monitor temperature and breathing, watch for signs of respiratory difficulty.