Shop on Amazon and save on rosemary and castor hair growth oil. The 4-ounce bottle of Artnaturals hair growth oil can be purchased for as low as $8.49. You'll just need to sign up for Amazon's Subscribe & Save subscription, where they are currently offering a 10% or 15% discount on the original $9.99 retail price.
Shop more Amazon spring sale deals while they're still live and available.