Schwarzkopf Professional BC Color Freeze Rich Shampoo works to gently cleanses over-processed and dull colour treated hair. Formulated with high-quality ingredients, including apricot oil and keratins, this shampoo helps to strengthen and smooth colour treated hair so that hair appears as vibrant as Day 1. Designed to prolong time between salon visits, this colour freezing shampoo delivers extra care and shine while reducing colour fade to 0. Hair is restored to its optimal pH level to perfectly freeze colour pigments inside the hair matrix, preventing fading for long-lasting hair colour. Ideal for use in post-colour services and home maintenance. Thanks to patented pH 4.5 Balancer Technology, hair is adjusted to the optimal pH value of 4.5. This is Schwarzkopf Professional’s 1st vegan colour-locking system for zero fade and long-lasting colour vibrancy.