Are there any age restrictions for using Gromwell Root CO2 Extract?
Aug 12, 2026
Hey there! As a supplier of Gromwell Root CO2 Extract, I often get asked a ton of questions about our product. One of the most common ones is, "Are there any age restrictions for using Gromwell Root CO2 Extract?" Let's dig into this topic and find out what the deal is.
First off, let's talk a bit about what Gromwell Root CO2 Extract actually is. Gromwell root, also known as Lithospermum erythrorhizon (or Zi Cao in traditional medicine), has been used for ages. The CO2 extraction method is a super-modern and efficient way to get the good stuff out of the gromwell root. It preserves all the beneficial compounds without using harsh chemicals, making it a really pure and high-quality product.
Now, back to the age-restriction question. There isn't a one-size-fits-all answer. The use of Gromwell Root CO2 Extract depends a lot on how it's being used. And, as with any potent botanical ingredient, safety should always come first.
For topical use (skincare)
When it comes to using Gromwell Root CO2 Extract topically, like in skincare products, there's generally no strict age limit. The extract is known for its anti-inflammatory, antioxidant, and skin-soothing properties. It can help soothe irritated skin, reduce redness, and even promote wound healing.
Pediatric Use: It has a long history of use in skincare for sensitive or easily irritated skin, including use in formulations designed for infants and young children. For example, if a child has minor skin irritation or dryness, a product containing Gromwell Root CO2 Extract may help provide comfort and relief. However, it's always a good idea to do a patch test first. Just apply a tiny amount of the product on a small area of the skin and wait for 24 hours to see if there's any adverse reaction.
Adult Use: Adults can also use it as part of their daily skincare routine. Whether you're looking to calm occasional skin flare-ups, soothe dry or sensitive areas, or simply maintain a healthy, youthful-looking complexion, Gromwell Root CO2 Extract can be a great addition to your skincare regimen. It works well in creams, lotions, and serums.
Important Reminder: For topical use, our Gromwell Root CO2 Extract is a highly concentrated cosmetic raw material and is intended for external use only in cosmetic formulations.
For internal use (oral consumption)
The situation gets significantly more complicated and poses a serious safety concern when it comes to internal use of Gromwell Root CO2 Extract.
The Key Safety Issue: Pyrrolizidine Alkaloids (PAs)
Gromwell root (Lithospermum erythrorhizon) belongs to the Boraginaceae plant family, which is known to contain naturally occurring pyrrolizidine alkaloids (PAs). While PAs themselves have low toxicity, their metabolites in the liver are highly hepatotoxic; they can cause irreversible liver damage, including hepatic sinusoidal obstruction syndrome, liver fibrosis, and cirrhosis.
Scientific studies have confirmed that multiple batches of Lithospermum erythrorhizon contain detectable levels of hepatotoxic PAs, with total contents ranging from 71.16 to 515.73 µg/g across different samples. Oral consumption risk assessments indicate that some batches pose a medium risk to human health.
For these reasons:
a. For babies, toddlers, children, and teenagers: Internal consumption is strongly discouraged due to their developing livers and higher vulnerability to PA-induced toxicity. There is no safe dosage established for pediatric use.
b. For adults: For adults, internal use of Lithospermum root should be avoided unless prescribed under the direct supervision of a qualified healthcare professional. Even then, the risk-benefit ratio must be carefully evaluated, as the potential for cumulative liver damage is well-documented, particularly due to the presence of hepatotoxic pyrrolizidine alkaloids (PAs) in Lithospermum species.
Even in traditional medicine, where gromwell root has been used orally, the PAs content varies significantly depending on the species and batch, making it unreliable to assume safety without rigorous testing.
Given these serious safety concerns, we do not recommend or support the internal consumption of Gromwell Root CO2 Extract. Our product is intended for topical use in cosmetic formulations only, where PAs present no risk based on current scientific evidence.
Comparing with other products
It's interesting to compare Gromwell Root CO2 Extract with some of our other products. Take Cinnamon Bark Oil for example. Cinnamon bark oil is great for its antibacterial and anti-fungal properties. But just like Gromwell Root CO2 Extract, it also needs to be used with caution, especially when it comes to internal use.
Seabuckthorn Berry Oil is another popular product. It's rich in vitamins and antioxidants, and is often used in skincare. Similar to Gromwell Root CO2 Extract, it can be used topically by people of different ages, but internal use should be carefully considered.
Sacha Inchi Seed Oil is known for its high omega-3 fatty acid content. It can be used in cooking or as a supplement. But again, age plays a role in how it should be consumed.


Gromwell root powder
If you're not sure about using the CO2 extract, you might also consider Gromwell Root Powder. It has similar properties to the extract, but the concentration of the active compounds might be different. The same age-related considerations apply here as well.
Safety first: contraindications and interactions
No matter what age you are, safety should always be your top priority when using Gromwell (Lithospermum erythrorhizon) Root CO₂ Extract. This product is for external use only. DO NOT INGEST.
Special caution is required for the following groups:
a. Pregnancy and Breastfeeding: Safety during pregnancy and lactation has not been established for topical use of this extract. As a precautionary measure, avoid use during pregnancy and breastfeeding unless directed by a healthcare professional.
b. Damaged Skin: Do not apply to open wounds, broken skin, or severely inflamed areas, as this may increase systemic absorption and potential irritation.
c. Known Allergies: Individuals with known hypersensitivity to plants of the Boraginaceae family (e.g., comfrey, borage) should avoid use. A patch test on a small area of skin is recommended before first application.
d. Drug Interactions (Topical Considerations): While systemic absorption through intact skin is generally low, theoretically, prolonged use over large areas or on broken skin may increase absorption of active components. This could, in theory, potentiate the effects of anticoagulants (e.g., warfarin, heparin, aspirin). If you are taking anticoagulant medications and plan to use this product extensively, consult a healthcare provider.
e. Pre-existing Conditions: If you have any pre-existing skin conditions, are taking medications, or are pregnant or breastfeeding, consult a healthcare provider before use.
General Precautions:
a. For external use only.
b. Avoid contact with eyes and mucous membranes.
c. Discontinue use if irritation, redness, or rash develops.
d. Keep out of reach of children.
Conclusion and call to action
So, to sum it up, there aren't strict age restrictions for topical use of Gromwell Root CO2 Extract, as long as you do a patch test first. But when it comes to internal use, the situation is entirely different. Due to the presence of hepatotoxic pyrrolizidine alkaloids (PAs) in gromwell root, we do not recommend internal consumption at any age. The scientific evidence clearly shows that oral intake carries a significant and potentially irreversible risk to liver health, which far outweighs any unproven benefits.
If you're interested in learning more about Gromwell Root CO2 Extract or any of our other products, feel free to reach out to us at info@inhealthnature.com. We're here to answer your questions and help you make the right choice for your needs. Whether you're a skincare brand looking for high-quality ingredients or an individual interested in natural remedies, we've got you covered.
Let's start a conversation about how Gromwell Root CO2 Extract can fit into your life or business. We're excited to work with you and explore the amazing potential of this product.
References
1. Glynn KM, Anderson P, Fast DJ, Koedam J, Rebhun JF, Velliquette RA. Gromwell (Lithospermum erythrorhizon) root extract protects against glycation and related inflammatory and oxidative stress while offering UV absorption capability. Experimental Dermatology. 2018;27(9):1043-1047.
2. Kretschmer N, Durchschein C, Heubl G, Pferschy-Wenzig EM, Kunert O, Bauer R. Authentication of Zicao (Lithospermum erythrorhizon and related species) and identification of hepatotoxic pyrrolizidine alkaloids. Planta Medica. 2022;88(08):824-832.
3. An LC–ESI–MS/MS analysis procedure coupled with solid phase extraction and MeOH extraction method for determination of pyrrolizidine alkaloids in Tussilago farfara and Lithospermi erythrorhzion. Applied Biological Chemistry. 2021;64:53.
4. Assessment of Skin Photoallergy Risk in Cosmetics Containing Herbal Extract Ingredients. Skin Pharmacology and Physiology. 2021;34(5):253-261.
