Fast and easy Shampoo-In Haircolour for a natural grey-free look. Targets the grey hair and preserves subtle variations of your natural hair colour. Easy to apply. Only takes five minutes to restore your original colour. Lasts until the grey grows back. Contains Keratin, Olive oil & Vitamin E to support strong and fuller, healthier-looking hair. Professional, 100% natural looking results Ammonia free formula causes no damage to your hair, Can't decide between two shades? Try the lighter one first. You can always go darker later. Natural-looking results. Patented grey target technology formula blends with your original hair colour for professional results. With keratin, olive oil and vitamin E but no ammonia for stronger, healthier-looking hair. Long-Lasting - Will not wash out. Lasts up to 8 weeks until the grey grows back. Fast & Easy. Just lather product into your hair, wait 5 minutes, then rinse and shampoo.