This Attivi Puri Hair Thickening Serum Spray with Collagen is formulated to enhance the perceived thickness and volume of your hair. Applied directly to the roots or throughout the hair, this serum works to improve the overall texture and body of fine or thinning hair strands. Utilize this product as part of your regular styling routine to achieve visibly fuller-looking hair. The presence of Collagen is intended to support the hair structure, providing a cosmetic effect of increased density.