Revivogen Thickening Conditioner is an all natural protein-enriched moisturizing formula that softens and strengthens the hair. The natural wheat, silk and soy proteins in this formula envelopes the hair shaft, protecting it against harmful environmental factors that lead to premature fallout. It then instantly produces a fuller, thicker appearance without the use of harsh chemicals. Natural extracts, including: menthol, chamomile, sage and peppermint create an invigorating aroma that leaves your hair feeling soft and your scalp rejuvenated.