Glycyrrhetinic acid powder is a natural compound derived from licorice root (Glycyrrhiza glabra). It is a bioactive molecule known for its numerous potential health benefits and applications in various industries, including pharmaceuticals, cosmetics, and food supplements. This white to off-white crystalline powder is the active component responsible for many of the therapeutic properties associated with licorice root extract.
What are the benefits of Glycyrrhetinic Acid?
Glycyrrhetinic Acid Powder offers a wide range of potential health benefits, making it a subject of interest in both traditional medicine and modern scientific research. Some of the most notable benefits include:
- Anti-inflammatory properties: Glycyrrhetinic acid has been shown to possess potent anti-inflammatory effects, which may help in reducing inflammation throughout the body. This property makes it potentially useful in managing various inflammatory conditions, including skin disorders, digestive issues, and respiratory problems.
- Skin health: The compound is widely used in skincare products due to its ability to improve skin appearance and health. It may help in reducing skin irritation, redness, and itching, while also promoting a more even skin tone. Some studies suggest that glycyrrhetinic acid can inhibit the enzyme responsible for converting cortisol to its inactive form, potentially helping to reduce the appearance of dark under-eye circles and puffiness.
- Digestive health: Traditionally, licorice root has been used to support digestive health, and glycyrrhetinic acid is believed to be one of the key compounds responsible for these effects. It may help in soothing the digestive tract, reducing acid reflux, and potentially protecting against ulcers.
- Antiviral and antimicrobial properties: Some research indicates that glycyrrhetinic acid may have antiviral and antimicrobial properties, potentially helping to fight off various pathogens and support overall immune function.
- Liver health: Studies have suggested that glycyrrhetinic acid may have hepatoprotective effects, potentially helping to protect the liver from damage and support its overall function.
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While these potential benefits are promising, it's important to note that more research is needed to fully understand the effects of glycyrrhetinic acid and determine appropriate dosages for specific health conditions. As with any supplement or natural remedy, it's always best to consult with a healthcare professional before incorporating glycyrrhetinic acid into your health regimen.
How is Glycyrrhetinic Acid extracted?
The extraction of Glycyrrhetinic Acid Powder from licorice root is a complex process that involves several steps to isolate and purify the compound. Here's an overview of the typical extraction process:
- Raw material preparation: The process begins with the selection of high-quality licorice roots. These roots are cleaned, dried, and sometimes ground into smaller pieces to increase the surface area for extraction.
- Extraction: The prepared licorice root material is then subjected to an extraction process, typically using a solvent such as ethanol or water. This step helps to separate the desired compounds, including glycyrrhizin (the precursor to glycyrrhetinic acid), from the plant material.
- Filtration and concentration: The resulting extract is filtered to remove any solid plant material, and then concentrated to increase the concentration of the desired compounds.
- Hydrolysis: Glycyrrhizin, the main active compound in licorice root, is then hydrolyzed (broken down) into glycyrrhetinic acid. This is typically done through an acid hydrolysis process, where the extract is treated with a dilute acid solution under controlled conditions.
- Purification: The glycyrrhetinic acid is then purified through various techniques such as recrystallization, column chromatography, or other separation methods to remove impurities and isolate the pure compound.
- Drying and milling: Finally, the purified glycyrrhetinic acid is dried and milled into a fine powder form.
The extraction and purification process can be quite complex and may vary depending on the specific methods used by different manufacturers. Advanced techniques such as supercritical fluid extraction or molecular distillation may also be employed to improve the efficiency and purity of the final product.
It's worth noting that the extraction process can significantly impact the quality and potency of the final glycyrrhetinic acid powder. Factors such as the source of the licorice root, extraction methods, and purification techniques all play a role in determining the purity and effectiveness of the end product. For this reason, it's important to source glycyrrhetinic acid powder from reputable suppliers who can provide detailed information about their extraction and quality control processes.
How is Glycyrrhetinic Acid used in skincare?
Glycyrrhetinic Acid Powder has gained significant popularity in the skincare industry due to its numerous beneficial properties for skin health and appearance. Here's a detailed look at how glycyrrhetinic acid is used in skincare:
- Anti-inflammatory effects: One of the primary reasons glycyrrhetinic acid is valued in skincare is its potent anti-inflammatory properties. It can help reduce redness, swelling, and irritation associated with various skin conditions, including eczema, psoriasis, and acne. This makes it a valuable ingredient in products designed for sensitive or reactive skin types.
- Skin brightening: Glycyrrhetinic acid has been shown to have skin-brightening effects, potentially helping to even out skin tone and reduce the appearance of dark spots or hyperpigmentation. This is thought to be due to its ability to inhibit tyrosinase, an enzyme involved in melanin production.
- Anti-aging properties: Some studies suggest that glycyrrhetinic acid may have anti-aging benefits for the skin. It may help to improve skin elasticity and reduce the appearance of fine lines and wrinkles. This is partly due to its ability to promote collagen production and protect against oxidative stress.
- Sebum regulation: Glycyrrhetinic acid has been found to help regulate sebum production in the skin. This makes it a useful ingredient in products designed for oily or acne-prone skin, as it can help balance oil production without over-drying the skin.
- UV protection: While not a substitute for sunscreen, some research indicates that glycyrrhetinic acid may offer some protection against UV-induced skin damage. It's often included in sunscreen formulations to enhance their protective effects.
- Skin barrier support: Glycyrrhetinic acid may help to strengthen the skin's natural barrier function, which is crucial for maintaining skin health and preventing moisture loss.

In skincare products, glycyrrhetinic acid is often found in various formulations, including:
- Serums and concentrates
- Moisturizers and creams
- Eye creams (particularly for reducing puffiness and dark circles)
- Acne treatments
- Anti-aging products
- Sunscreens
- After-sun products
When using glycyrrhetinic acid in skincare, it's important to note that the concentration and formulation can significantly impact its effectiveness. In most over-the-counter skincare products, glycyrrhetinic acid is used at concentrations ranging from 0.5% to 2%. Higher concentrations may be found in professional-grade or prescription products.
As with any new skincare ingredient, it's advisable to patch test glycyrrhetinic acid products before applying them to larger areas of the skin, especially for those with sensitive skin or known allergies. While glycyrrhetinic acid is generally well-tolerated, some individuals may experience irritation or allergic reactions.
In conclusion, Glycyrrhetinic Acid Powder is a versatile and valuable ingredient in skincare, offering a range of benefits from anti-inflammatory effects to potential anti-aging properties. Its ability to address multiple skin concerns makes it a popular choice in various skincare formulations, catering to different skin types and needs.
If you are also interested in this product and want to know more product details, or want to know about other related products, please feel free to contact sasha_slsbio@aliyun.com.
References
- Asl, M. N., & Hosseinzadeh, H. (2008). Review of pharmacological effects of Glycyrrhiza sp. and its bioactive compounds. Phytotherapy Research, 22(6), 709-724.
- Saeedi, M., Morteza-Semnani, K., & Ghoreishi, M. R. (2003). The treatment of atopic dermatitis with licorice gel. Journal of Dermatological Treatment, 14(3), 153-157.
- Armanini, D., Fiore, C., Mattarello, M. J., Bielenberg, J., & Palermo, M. (2002). History of the endocrine effects of licorice. Experimental and Clinical Endocrinology & Diabetes, 110(06), 257-261.
- Cinatl, J., Morgenstern, B., Bauer, G., Chandra, P., Rabenau, H., & Doerr, H. W. (2003). Glycyrrhizin, an active component of liquorice roots, and replication of SARS-associated coronavirus. The Lancet, 361(9374), 2045-2046.
- Kao, T. C., Wu, C. H., & Yen, G. C. (2014). Bioactivity and potential health benefits of licorice. Journal of Agricultural and Food Chemistry, 62(3), 542-553.
- Rossi, T., Benassi, L., Magnoni, C., Ruberto, A. I., Coppi, A., & Baggio, G. (2005). Effects of glycyrrhizin on UVB-irradiated melanoma cells. In Vivo, 19(1), 319-322.
- Yokota, T., Nishio, H., Kubota, Y., & Mizoguchi, M. (1998). The inhibitory effect of glabridin from licorice extracts on melanogenesis and inflammation. Pigment Cell Research, 11(6), 355-361.
- Afnan, Q., Adil, M. D., Nissar-Ul, A., Rafiq, A. R., Amir, H. F., Kaiser, P., & Tasduq, S. A. (2012). Glycyrrhizic acid (GA), a triterpenoid saponin glycoside alleviates ultraviolet-B irradiation-induced photoaging in human dermal fibroblasts. Phytomedicine, 19(7), 658-664.
- Kroes, B. H., Beukelman, C. J., van den Berg, A. J., Wolbink, G. J., van Dijk, H., & Labadie, R. P. (1997). Inhibition of human complement by β-glycyrrhetinic acid. Immunology, 90(1), 115-120.
- Baltina, L. A. (2003). Chemical modification of glycyrrhizic acid as a route to new bioactive compounds for medicine. Current Medicinal Chemistry, 10(2), 155-171.