Ingredient review
Acetyl Methyl Hydroxyprolinatyl Glycyrrhetinate
INCI: ACETYL METHYL HYDROXYPROLINATYL GLYCYRRHETINATE
A gentle, licorice-derived ingredient that helps calm redness and irritation without the strong smell or stickiness of raw licorice extract.
In plain English
This ingredient is a modified version of a compound found in licorice root. The modification makes it more stable and easier for your skin to use. It works by helping to reduce visible redness and sensitivity, making it a good choice for people with reactive or easily irritated skin.
Quick decision guide
Useful, but context matters
Acetyl Methyl Hydroxyprolinatyl Glycyrrhetinate is generally a lower-concern ingredient when the full formula suits your skin.
Plain-English read
Treat this as a practical screening step before you compare products that contain this ingredient.
- Step 1Start with the score, then check the irritation and clogging risk before judging Acetyl Methyl Hydroxyprolinatyl Glycyrrhetinate.
- Step 2Use the "Best for" and "Use caution if" sections to match the ingredient to your skin, not just to a marketing claim.
- Step 3If a product stings, breaks you out, or worsens irritation, judge the finished formula and stop using it even if the ingredient scores well.
Score terms in plain English
Irritation risk
lowLess likely to sting, burn, or bother most users, though sensitive skin can still react.
Clogging risk
lowLess likely to feel heavy or contribute to clogged pores for most skin types.
Evidence level
moderateThere is useful support, but formula details and claim strength still matter.
What it is
A semi-synthetic derivative of glycyrrhetinic acid, the active compound in licorice root. The chemical modification (acetylation and addition of a proline-like group) improves its stability and skin penetration compared to the natural compound.
How it works
It interacts with skin cells to help calm the inflammatory response. By reducing the production of certain signaling molecules that trigger redness and swelling, it helps soothe irritated skin and supports a more even, calm complexion.
Pros
Gentle on sensitive skin
Unlike some harsh anti-redness ingredients, this derivative is well-tolerated even by reactive skin types and doesn't cause stinging or dryness.
Stable and easy to formulate
The chemical modification makes it more stable in skincare formulas than raw licorice extract, so it stays effective longer on the shelf.
Cons and cautions
Moderate research support
Most evidence comes from lab studies or small human trials; large-scale, long-term studies are still limited compared to ingredients like niacinamide.
Can be pricey
As a specialized semi-synthetic ingredient, it is more expensive than simple plant extracts, which may increase the cost of products containing it.
Best for
- People with sensitive or easily irritated skin
- Those looking for a gentle anti-redness ingredient
- Anyone wanting to calm skin after exfoliation or treatments
Use caution if
- Individuals with known allergy to licorice or its derivatives
- Those seeking a strong, fast-acting anti-inflammatory (may need a more potent ingredient)
Usage tips
Safety summary
Considered safe for topical use at typical concentrations. No significant irritation or sensitization has been reported in cosmetic formulations. As with any ingredient, patch test if you have known sensitivities.
Research notes
In vitro and small human studies suggest it has anti-inflammatory and soothing properties. More large-scale human trials are needed to confirm its efficacy compared to other soothing agents.
Common label clues
- Typical concentration
- 0.1% to 1%
- Regulatory status
- Approved for use in cosmetics in the EU, US, and many other regions. Not classified as a drug ingredient.
- Common uses
- Serums, Moisturizers, Eye creams, Anti-aging formulations
- Environmental note
- Sourced from licorice root, a renewable plant. The semi-synthetic process uses chemical reagents, but overall environmental impact is considered low.
Good to know
- This ingredient is often listed near the middle or end of an ingredient list because it's effective at low concentrations.
- It is not the same as pure licorice extract — the modification makes it more targeted and less likely to cause irritation.
Common questions
What is Acetyl Methyl Hydroxyprolinatyl Glycyrrhetinate in beauty products?
This ingredient is a modified version of a compound found in licorice root. The modification makes it more stable and easier for your skin to use. It works by helping to reduce visible redness and sensitivity, making it a good choice for people with reactive or easily irritated skin.
What does Acetyl Methyl Hydroxyprolinatyl Glycyrrhetinate do in a beauty product?
It interacts with skin cells to help calm the inflammatory response. By reducing the production of certain signaling molecules that trigger redness and swelling, it helps soothe irritated skin and supports a more even, calm complexion.
Is Acetyl Methyl Hydroxyprolinatyl Glycyrrhetinate safe for most people?
Considered safe for topical use at typical concentrations. No significant irritation or sensitization has been reported in cosmetic formulations. As with any ingredient, patch test if you have known sensitivities.
Who should be careful with Acetyl Methyl Hydroxyprolinatyl Glycyrrhetinate?
Individuals with known allergy to licorice or its derivatives Those seeking a strong, fast-acting anti-inflammatory (may need a more potent ingredient)
Research sources
Ingredient reviews are educational and are not medical advice. Patch test new products and ask a licensed clinician about persistent irritation, allergies, pregnancy-specific questions, or diagnosed skin conditions.