Discover the ingredients recognized in skin care, now in your hair! Our exclusive formula co-created with Niina Secrets combines Collagen and Vitamin C. Intense damage regeneration for more strength and shine!* Collagen is known to help provide firmness, assisting in the regeneration of weakened hair fibers. Vitamin C is an antioxidant, essential for collagen production and acts as a brightness enhancer for the strands. Recommended for dull and damaged hair.