Rhodomyrtus Tomentosa Flower/Leaf/Stem Extract: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 30, 2025
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We verify all information on this page using publicly available nomenclature standards from The Personal Care Products Council (PCPC), the European Commission's CosIng database and documentation provided directly by ingredient manufacturers. Our analysis is based on technical data from these sources to ensure accuracy and reliability.

What Is Rhodomyrtus Tomentosa Flower/Leaf/Stem Extract?

Rhodomyrtus Tomentosa Flower/Leaf/Stem Extract comes from the flowers, leaves and stems of Rhodomyrtus tomentosa, an evergreen shrub native to Southeast Asia often called rose myrtle. The plant parts are rich in natural sugars, flavonoids and gentle tannins that help soothe and protect skin. Traditionally the plant has been brewed into herbal teas or applied as a folk remedy for minor skin concerns, which led modern formulators to look at it for beauty products.

To make the cosmetic grade extract, freshly harvested flowers, leaves and stems are cleaned, dried then soaked in a mix of water and safe food-grade solvents. The liquid is filtered, concentrated and carefully dried or kept as a fluid extract, giving a stable ingredient that holds on to the plant’s skin-loving compounds.

You will spot Rhodomyrtus Tomentosa Flower/Leaf/Stem Extract in lightweight moisturizers, calming sheet masks, after-sun gels, anti-aging serums and recovery creams aimed at sensitive or stressed skin.

Rhodomyrtus Tomentosa Flower/Leaf/Stem Extract’s Cosmetic Benefits/Uses

This extract mainly serves as a skin-conditioning agent, meaning it helps keep skin feeling soft, smooth and comfortable. In a formula it can boost moisture levels, support a healthy skin barrier and lend a soothing touch to products designed for redness or irritation prone complexions.

Who Can Use Rhodomyrtus Tomentosa Flower/Leaf/Stem Extract

This botanical suits most skin types including dry, oily, combination and sensitive because it is generally mild and non-comedogenic while offering light hydration and calming benefits. Exceptionally reactive skins should still introduce it slowly since any new botanical can be a trigger for rare allergies.

The extract is completely plant derived with no animal by-products so it is appropriate for vegans and vegetarians. Manufacturing typically relies on food-grade solvents and water rather than animal-origin carriers.

Current data does not flag the ingredient as unsafe for pregnant or breastfeeding women when used topically in standard cosmetic concentrations. That said there is limited formal research in these groups so this is not medical advice and anyone who is pregnant or nursing should check with a healthcare professional before adding new products.

Rhodomyrtus Tomentosa Flower/Leaf/Stem Extract is not known to increase photosensitivity and does not interact with common sunscreen filters. Routine sun protection is still recommended for overall skin health.

Potential Side Effects/Adverse Reactions

Responses to topical Rhodomyrtus Tomentosa Flower/Leaf/Stem Extract vary from person to person. The following list covers potential side effects that might occur even though most users will not experience them when the ingredient is included at standard cosmetic levels.

  • Mild redness or warming sensation
  • Temporary itching or tingling
  • Dryness or tightness if layered with multiple astringent products
  • Allergic contact dermatitis in individuals sensitive to myrtle family plants
  • Eye irritation if the formula accidentally gets into the eyes

If any negative reaction develops stop use immediately and consult a healthcare professional.

Comedogenic Rating

Rating: 0 / 5 — Rhodomyrtus Tomentosa Flower/Leaf/Stem Extract is typically supplied in a water or glycerin base with virtually no pore-clogging lipids so it has negligible potential to block follicles. Laboratory data and anecdotal reports show no link between this extract and the formation of comedones.

Because of its zero rating it is generally considered suitable for skin that breaks out easily, though the overall formula it sits in must also be low in pore-clogging ingredients.

If the extract is delivered in an oil-heavy carrier or paired with rich occlusives the final product’s comedogenicity will depend more on those other ingredients than on the extract itself.

Summary

Rhodomyrtus Tomentosa Flower/Leaf/Stem Extract is mainly a skin-conditioning agent that boosts light hydration, calms visible redness and supports the skin barrier thanks to its natural sugars, flavonoids and gentle tannins. These compounds attract water, neutralize free radicals and form a delicate protective film that helps keep moisture where it belongs.

The ingredient is still something of a niche player outside of Southeast Asian and K-beauty formulations yet its mild nature and multitasking benefits are nudging it into more global lines, especially products marketed for sensitive or post-sun skin.

Overall safety data are favorable with very few adverse reports. While irritation is rare it is wise to patch test any new product that features this extract to make sure your skin agrees with the full formula.

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