Experience thicker, healthier looking hair in just 14 days. This strengthening formula is enriched with Sunsilk's patented amplifier technology, which boosts visibly thicker hair growth. This shampoo also helps fight against breakage caused by combing & styling, so you can safely style your hair as often as you like without compromising its strength.Sunsilk Zinc Pyrithione Shampoo is the first ever shampoo that can deliver up to 10X damage protection.