Proprietary blends of herbs and botanicals have traditionally been used in various cultures to manage and support skin health, including acne. These blends often contain ingredients such as burdock root, dandelion, green tea, and calendula, which have a long history of use for their purported anti-inflammatory, antimicrobial, and detoxifying properties. For example, traditional Chinese and Ayurvedic medicine systems frequently incorporate herbal mixtures to address imbalances thought to contribute to skin eruptions like acne. However, while individual components of these blends may have some scientific studies supporting their potential benefits (e.g., green tea polyphenols demonstrating anti-inflammatory effects in topical applications), research specifically evaluating the efficacy of proprietary herbal blends for acne is limited and often hampered by lack of standardization and rigorous clinical trials. Most evidence is anecdotal or based on historical use rather than robust, peer-reviewed clinical studies. The rating reflects that while there is a historical precedent and some preliminary scientific support for certain herbs within these blends, there is insufficient high-quality evidence to strongly recommend proprietary blends as an effective treatment for acne. Consumers should exercise caution and consult healthcare professionals before using such products, especially since the ingredients and their concentrations are not always clearly disclosed.