PROYOU the hairspray strong 500 ml PROYOU the hairspray strong 500 ml is a professional hairspray that provides a strong hold and long-lasting results. It is formulated with natural ingredients and is free from parabens and sulfates. It is suitable for all hair types, including colored and chemically treated hair. This professional hairspray offers a natural shine and is resistant to humidity. It provides a great hold and a long-lasting finish to all your hairstyles.