I'm not sure telling men to shape their eyebrows will be a big hit.

If the app would instead focus on fashion/style with clothing, maybe that's a better approach for men?

I clicked on the link thinking that's what it would be.

Thanks for the feedback

net::ERR_CERT_AUTHORITY_INVALID

Looks like an Australian government firewall. Yes.

Looks nice! What about data privacy?

analyzed photos are automatically deleted and not shared with anyone

...until you receive an offer from a data broker. There is no way to prove you are actually deleting them. This could be done locally, client-side. It would even cost you less in infrastructure. There would be no need to have accounts, browser session storage APIs could handle persistence.