The Olaplex Shampoo and Conditioner Bundle for Blondes & Greys is a professional product line specifically designed for all hair types, with a focus on nourishing and restoring damaged hair. Both products contain biotin as an ingredient, providing essential nutrients to support healthy hair growth and maintenance. The bundle includes a 250ml shampoo and conditioner, perfect for daily use to achieve salon-quality results at home. Olaplex is a cruelty-free brand, ensuring that their products are not tested on animals, making it a compassionate choice for those who prioritize ethical beauty products.