DS Laboratories Spectral Eyebrow Serum 4 mlEyebrow revitalizing serum with 5% Nanoxidil . It is the eyebrows that can perfectly frame the face and emphasize the eyes. Therefore, try DS Laboratories Spectral Brow Serum on the eyebrows, which contributes to a visibly thicker and fuller eyebrow . The serum contains the patented component Nanoxidil, which can stimulate the growth of hair and hair . Nanoxidil molecules weigh less and are able to penetrate to the depth of the root, where they help