Working harder so you don't have to! Strength Training does all of the heavy lifting your hair needs. Perfectly formulated for thick, curly, or coils hair- this rejuvenating leave-in restore softens and detangles your overworked tresses while controlling frizz so you are left with a mane you can sport proudly. Heritage blending the two things we love and know best family & hair. For Hair Type 3A-4C.