The Toppik Hair Thickening Fibres in Dark Brown is a unisex hair care product formulated with keratin to help thicken and strengthen all hair types. This powder formulation is alcohol-free, making it ideal for individuals looking to add volume and thickness to their hair without any harsh chemicals. Perfect for those experiencing hair loss or thinning, this product from the Hair Thickening Fibres product line by Toppik is a convenient and effective solution for achieving a fuller, more confident look.