What does exclusive mean legally? If you are charging money, you are running a business.
Nightclubs occasionally host "18+ ladies' nights," but adding "exclusive" suggests a guest list or ticketed cap. Similarly, female-only retreats (yoga, surfing, or writing) often explicitly state "18 only" to avoid liability with minors. 18 only girls exclusive
Exclusive communities collect personal data (email, ID, sometimes photos). You need a privacy policy compliant with GDPR (Europe) and CCPA (California). Tell users exactly how their "18 only" verification data is stored and for how long. What does exclusive mean legally