Black growth oil uses dark rich oils such as black seed oil which is an antibacterial, antifungalanti-inflammatory, antioxidant. These properties can help maintain scalp health by addressing issues such as dandruff while keeping the scalp moisturized and adding shine. This oil does promote hair growth, especially with the peppermint essential oil which adds a tingling sensation; peppermint essential oil is vasodilator. Vasodilators improve blood flow. I Increasing circulation with a vasodilator like peppermint could potentially improve hair growth and prevent some hair loss.