INVIGO VOLUME BOOST shampoo 250 ml INVIGO VOLUME BOOST shampoo 250 ml is a shampoo specifically designed to help give hair a boost in volume. The shampoo is enriched with a unique blend of natural ingredients, such as rosemary extract and menthol, which are known to help strengthen the hair and give it a fuller look. The shampoo also contains UV filters to help protect the hair from environmental damage. It is suitable for all hair types and can be used on a daily basis.