Machilus Thunbergii Branch 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: July 1, 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 Machilus Thunbergii Branch Extract?

Machilus Thunbergii Branch Extract is a plant-derived ingredient obtained from the branches of Machilus thunbergii, an evergreen tree in the laurel family that grows mainly in China, Japan and Korea. The branches are naturally rich in protective plant compounds such as polyphenols, flavonoids and terpenoids that help the tree cope with environmental stress. These same compounds make the extract appealing for skincare.

While the bark and leaves of Machilus thunbergii have been used in traditional remedies and dyes for centuries, use of the branch extract in modern cosmetics only gained traction in the last two decades as formulators looked for gentle botanical options to keep skin comfortable. To produce the cosmetic-grade extract, freshly cut branches are washed, ground and steeped in a solvent like water, glycerin or a water-glycol mix. The liquid is then filtered and concentrated, resulting in a translucent to light brown fluid that is easy to incorporate into water-based formulas.

You will most often spot Machilus Thunbergii Branch Extract in hydrating toners, essence-style serums, sheet masks, soothing gels, lightweight moisturizers and after-sun products, where it supports the overall feel and condition of the skin.

Machilus Thunbergii Branch Extract’s Cosmetic Benefits/Uses

This extract is prized for one main function in personal care formulas.

Skin conditioning: Machilus Thunbergii Branch Extract helps keep the skin surface soft, smooth and supple. Its natural plant sugars attract water while its antioxidant molecules fight everyday environmental stress, so regular use can leave skin feeling calm, refreshed and visibly healthier.

Who Can Use Machilus Thunbergii Branch Extract

This gentle botanical fits most skin types, including oily, combination, normal and dry skin, thanks to its lightweight texture and hydrating compounds. Sensitive skin generally tolerates it as well since the extract is not highly acidic or exfoliating, though those with a known allergy to laurel family plants should proceed with caution.

The ingredient is plant derived with no animal by-products so it is suitable for both vegetarians and vegans.

No data suggest that topical use poses a specific risk to pregnant or breastfeeding women. Still, this is not medical advice and anyone expecting or nursing should ask a doctor before adding new skincare products.

Machilus Thunbergii Branch Extract does not increase photosensitivity, so daytime use is fine without extra sun precautions beyond your regular sunscreen.

Potential Side Effects/Adverse Reactions

Reactions to topical Machilus Thunbergii Branch Extract vary from person to person. The effects listed below are only potential outcomes and are unlikely for most users when the ingredient is properly formulated and used as directed.

  • Mild redness or irritation
  • Itching or stinging upon application
  • Allergic contact dermatitis in individuals sensitive to Lauraceae plants
  • Dryness or tightness if paired with strong astringents

If any unwanted reaction occurs, stop using the product and consult a healthcare professional.

Comedogenic Rating

Rating: 1/5

Machilus Thunbergii Branch Extract is mostly made up of lightweight water-soluble plant compounds rather than heavy oils so it is unlikely to block pores. Its natural sugars and antioxidants rinse clean without leaving a greasy film which keeps the rating low.

Because of this low clogging potential it is generally considered suitable for people who are prone to acne or breakouts.

The overall pore-friendliness of a finished product still depends on the other ingredients in the formula so evaluate the full ingredient list if congestion is a concern.

Summary

Machilus Thunbergii Branch Extract conditions skin by drawing in moisture and supplying antioxidants that defend against everyday environmental stress. The result is a softer calmer complexion that feels hydrated and comfortable.

While it is not yet a household name the extract is gaining traction in Asian toners, light gels and sheet masks for shoppers who prefer gentle botanical actives.

Data so far point to a high level of safety with only rare irritation or allergy. Even so skin can be unpredictable so perform a quick patch test when trying any new product containing Machilus Thunbergii Branch Extract just to be safe.

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