Using sealed 3 yr old shampoo?

So my toddler turns 3 in november. I still have quite a few of shampoo and bodywash containers from his baby shower that i never got to open bc he ended up having sensitive skin. My newborn is due in September. I can't find an expiration date on these bottles. Do you think its ok to use since they are still sealed or should i toss bc more than likely, they have expired?

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