Sheng Di Huang | Rehmanniae Radix | Chinese Foxglove Root
Properties: Sweet, bitter, cold
Channels Entered: Heart, Kidney, Liver
Sheng Di Huang is a deeply cooling and nourishing root used in Chinese medicine to clear heat, cool the blood, and generate fluids. While commonly associated with internal formulas for dryness and heat in the blood, it plays a vital role in our Skin Wash: Nourish for its ability to hydrate, soothe, and restore balance to inflamed or depleted skin.
You’ll also find it in our Meno-Wash for its synergy with Mu Dan Pi and Chi Shao, but its starring role truly shines in the Nourish line, where its affinity for yin and fluids brings lasting moisture to the skin and spirit.
This herb speaks to the dry, parched layers—emotional and physical—that call out for replenishment. It reaches beneath the surface to cool hidden inflammation and bring water where there’s been fire.
Key constituents include:
- Catalpol – A powerful iridoid glycoside that protects skin cells from oxidative damage, encourages hydration, and supports regeneration.
- Rehmanniosides A–D – Unique to Rehmannia, these compounds have demonstrated immune-modulating, anti-inflammatory, and skin-protective effects.
- Acteoside – A potent antioxidant and anti-inflammatory compound that calms irritated tissue and supports barrier repair.
Research supports Sheng Di Huang’s traditional role in skin healing. A 2022 study by Li et al. found that extracts containing catalpol improved skin hydration and reduced inflammation in a murine dermatitis model. Similarly, Wang et al. (2016) demonstrated the herb’s ability to protect skin cells from oxidative stress by enhancing antioxidant activity and suppressing inflammatory cytokines.
These modern insights mirror its traditional use—to cool the blood, calm internal fire, and support fluid production.
In our Skin Wash: Nourish, Sheng Di Huang joins herbs like Zhi Mu and Bai Xian Pi to calm redness, replenish moisture, and restore harmony to the skin’s delicate terrain. This formula is designed to hydrate without heaviness, supporting skin that feels both soothed and resilient.
Sheng Di Huang offers a quiet strength: it doesn’t fight fire with fire, but with the deep waters of replenishment—restoring what’s been burned out, both on the skin and within.
Citations:
Bensky, D., Clavey, S., & Stöger, E. (2004). Chinese herbal medicine : materia medica. Eastland Press, Cop.
Jia, J., Chen, J., Wang, G., Li, M., Zheng, Q., & Li, D. (2023). Progress of research into the pharmacological effect and clinical application of the traditional Chinese medicine Rehmanniae Radix. Biomedicine & Pharmacotherapy, 168, 115809. https://doi.org/10.1016/j.biopha.2023.115809
Kim, S.-S., Son, Y.-O., Chun, J.-C., Kim, S.-E., Chung, G.-H., Hwang, K.-J., & Lee, J.-C. (2005). Antioxidant property of an active component purified from the leaves of paraquat-tolerant Rehmannia glutinosa. Redox Report : Communications in Free Radical Research, 10(6), 311–318. https://doi.org/10.1179/135100005X83734
Sung, Y.-Y., Yoon, T., Jang, J. Y., Park, S.-J., & Kim, H. K. (2011). Topical application of Rehmannia glutinosa extract inhibits mite allergen-induced atopic dermatitis in NC/Nga mice. Journal of Ethnopharmacology, 134(1), 37–44. https://doi.org/10.1016/j.jep.2010.11.050