SMOOTH LOCK shampoo 300 ml SMOOTH LOCK shampoo 300 ml by Toni&Guy is a professional salon-quality product that is designed to smooth, nourish and repair dry, damaged hair. It is formulated with a blend of sunflower seed oil, avocado oil and shea butter to nourish and hydrate the hair. It also contains natural extracts of chamomile, lavender and rosemary to help promote healthy hair growth and prevent split ends. This product is suitable for all hair types and is designed to leave hair feeling soft, smooth and manageable.