Shop › Hard Rock Gel Image 1 of 2 Image 2 of 2 Hard Rock Gel $20.95 Sold Out Hard Rock Gel provides a strong grip and gives hair defined texture and separation. Sold Out Added! Hard Rock Gel provides a strong grip and gives hair defined texture and separation. You Might Also Like Sebastian Shaper Plus + Hairspray $27.95 H-line Making Waves Beach Spray $27.95 H-line Give Me Shine $26.95 Smooth-E Leave-In Conditioner $27.95 Sebastian Thickefy Foam $21.60