Revivogen Thickening Conditioner is a protein-enriched moisturizing conditioner that softens and strengthens the hair while helping to create a thicker, fuller head of hair. The natural wheat, silk and soy proteins in this formula envelope the hair shaft, protecting it against harmful environmental factors that lead to premature fallout, while producing an instantly fuller, thicker appearance. Natural extracts, including menthol, chamomile, sage and peppermint, create an invigorating aroma.