I came here in my mid 40s, after a couple of failed LTRs, a long dry spell, followed by a period of concerted self-improvement and whilst pheros were not the only thing, they were IMO the icing on the cake that helped everything else fall into place in an effective and reliable manner.
It can take a bit of work to find the pheros and mixes that work best with your own personality, body chemistry and social disposition but it is well worth it. If you have not read them already, get stuck into these:
All the basics of choosing and using pheros are well laid-out.