Revlon Realistic Black Seed Oil Edge Control. TAME EDGES. MAKES HAIR UP TO 33% STRONGER! Make your edges lay down and behave beautifully with Revlon Realistic® Edge Control. Infused with the unique power of Black Seed Oil, it strengthens fragile edges and helps eliminate breakage. Provides frizz control! NO MINERAL OIL, NO PETROLATUM, NO SULFATES, NO PARABENS, NO COLORANTS.