It’s because you aren’t used to it. I stopped using artificial fragrances (anything with parfum/fragrance) on it years ago due to the health implications, especially for children who can’t detoxify until they’re a bit older. I can now smell my parents in law before I’ve seen them, they washed some towels for us and I had to wash them at 90 twice to get rid of the smell. If I walk past people outside they stink of detergent. I thought it was just me but my husband is exactly the same! I can smell perfume and washing detergent and deodorant all over my baby after my in laws have been with her - I can’t say please stop using smelly detergent so I just have to bath her really well after she’s been with anyone else. I really encourage others to stop using these products, they are so toxic. Because they aren’t ingested they haven’t passed any decent testing (outside the EU it’s much worse). You can switch to fragrance from essential oils which is more expensive but much nicer and the smell won’t linger for months like some perfumes. Air freshers are the worst and even candles. I just don’t really use anything now, coconut oil on my face and that’s it. Same with my baby.