Plastic-free and zero waste shampoo and conditioner brands that skip the plastic bottles and harmful ingredients, from refillable aluminum options to shampoo bars. Tested, researched, and in some cases rated by Sustainable Jungle Source: https://www.sustainablejungle.com/plastic-free-shampoo-conditioner/

Publication date: June 2026Source: Cleaner Engineering and Technology, Volume 32Author(s): Kai Li, Kamtornkiat Musiket, Boonchai Phungpaingam, Supasit Pongsivasathit Source: https://www.sciencedirect.com/science/article/pii/S2666790826000868?dgcid=rss_sd_all

Publication date: September 2026Source: Bioresource Technology, Volume 455Author(s): Gourav Kamboj, Kalavathy Rajan, Keonhee Kim, Bernard Baffour Asare-Bediako, Sina Ahmadi, Kaung Su Khin Zaw, Gila E. Stein, Sankar Nair, Siqun Wang, Thomas Elder, Nicole Labbé Source: https://www.sciencedirect.com/science/article/pii/S0960852426009041?dgcid=rss_sd_all