Question: what is the best sulphate free shampoo for hair extensions?
Answer: OGX Shampoo Nourishing Coconut Milk. OGX is a rich nourishing creamy shampoo infused with Coconut Milk, Coconut Oils and Whipped Egg Proteins. ... 
Shea Moisture Raw Shea Retention Shampoo. ... 
Kerastase Nutritive Bain Satin 2 Complete Nutrition Shampoo.