Palmer's Hair Success Gro Treatment, a revolutionary water-resistant emulsion formula that combines Vitamin E, Olive Oil and Soy Protein, coats and protects the hair shaft, allowing hair to grow longer. Hair is protected from humidity and other harsh environmental factors. Also conditions and moisturizes dry scalp. Tips / How to use Apply a small amount to hair. Do not rinse. Weekly: Apply to clean hair. Wrap in a hot towel or shower cap and leave on for 20 minutes. Rinse well.