The Plantur 39 Shampoo for Coloured and Stressed Hair is a 250ml product formulated in Germany to provide hair growth and colour protection. With active ingredients such as Zinc Pyrithione and Caffeine, this shampoo is designed for fine hair specifically. It is cruelty-free and has a period after opening of 12 months, making it a reliable choice for maintaining healthy and vibrant hair with each wash.