To remove your account and its stored data on scentadvice.com and thereby also the Android or iOS NoseFragrance app, you can either;
Do this yourself, by going to Profile > Settings – My Account > Delete Account (Trashcan icon).
Or request deletion. If you need help or want your account to be removed for you, you can request this via admin@scentadvice.com. Please provide your username and email address. Deletion will usually be fulfilled in 24 hours, but please allow up to 72 hours as maximum retention time.