Skip these if you're a fragrance collector or know exactly what you want - they're better for people who like variety and hate committing to a full bottle.
The fragrances themselves aren't diluted versions. You're getting legitimate juice from the brands, usually in small atomizers (10ml or so per month). The catch is that you're paying a premium for convenience and curation. Do the math: a $15/month box gives you maybe $40-60 worth of fragrance over the year, but you're also getting discovery and zero waste if something doesn't work for you. That's actually decent value if FOMO or buyer's remorse stress you out.
The real issue is whether it fits how you actually use perfume. If you're someone who rotates fragrances based on season or mood, this is solid. You try stuff without dropping $80+ on a blind buy that sits in your closet. But if you find a scent you love and just wear it daily, you're hemorrhaging money compared to buying a full bottle and using it for a year or more. Also, some services have annoying cancellation policies or auto-renewal traps, so read the fine print before signing up. Check reviews specific to the company you're eyeing - quality and consistency vary a lot between services.