Polyalthia Longifolia Wood 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 Polyalthia Longifolia Wood Extract?

Polyalthia Longifolia Wood Extract comes from the tall evergreen mast tree, native to South Asia and well known for its slim tower-like shape. The wood is rich in natural compounds such as flavonoids, polyphenols and diterpenoids, all of which have been linked to soothing and protective effects on skin. While the tree has long been valued for shade and traditional remedies, its entry into modern cosmetics is fairly recent. Researchers noticed that the same plant molecules praised in folk use could help keep skin calm and comfortable, so formulators began testing gentle wood extracts in creams and lotions. To make the ingredient, harvested or reclaimed wood is cleaned, dried and milled, then steeped in a skin-friendly solvent like water or propylene glycol. The liquid is filtered and concentrated, producing a clear to light brown solution that blends easily into finished products. You will most often spot it in moisturizers, daily lotions, leave-on masks, soothing after-sun gels and age-defying serums where a mild plant-based skin conditioner is desired.

Polyalthia Longifolia Wood Extract’s Cosmetic Benefits/Uses

This ingredient is valued mainly for one key function in personal care formulas:

Skin Conditioning: Polyalthia Longifolia Wood Extract helps keep skin soft, smooth and hydrated. Its plant antioxidants support the skin’s natural barrier, easing feelings of tightness and reducing visible dryness. Because it is gentle and non-oily, it conditions without leaving a heavy residue, making it suitable for both lightweight daily lotions and richer night creams.

Who Can Use Polyalthia Longifolia Wood Extract

Because it is lightweight and non-greasy, Polyalthia Longifolia Wood Extract suits most skin types, including oily, combination, normal and dry. Its soothing nature makes it a practical choice for mildly sensitive skin as well, since it lacks common irritants like fragrance or essential oils. Extremely reactive or allergy-prone skin should still proceed cautiously, as anyone can be sensitive to a new botanical.

The extract is plant derived with no animal by-products in standard production, so it is generally acceptable for vegans and vegetarians. Always check a finished product’s full ingredient list to confirm no animal-based additives are present elsewhere in the formula.

No data indicate that topical use of this ingredient poses specific risks during pregnancy or while breastfeeding. That said, this is not medical advice and expectant or nursing mothers should review any skincare routine with a qualified doctor to be certain it aligns with their personal health needs.

Polyalthia Longifolia Wood Extract is not known to cause photosensitivity, so it should not make skin more prone to sunburn. Regular sun protection is still recommended for overall skin health.

Potential Side Effects/Adverse Reactions

Side effects from using Polyalthia Longifolia Wood Extract can vary from person to person. The following list covers potential reactions, though most users will not experience them when the ingredient has been properly formulated and applied.

  • Mild redness or irritation
  • Itching or stinging on application
  • Allergic contact dermatitis in individuals sensitive to Annonaceae plant compounds
  • Rare clogged pores if combined with heavy occlusive ingredients in the same product

If any of these effects occur discontinue use and consult a healthcare professional if symptoms persist or worsen.

Comedogenic Rating

Rating: 1 (very low)

Polyalthia Longifolia Wood Extract is usually delivered in a light water or glycol solution with no heavy oils or waxes that sit on the skin. Its small mostly water-soluble plant molecules rinse away easily instead of mingling with sebum, so pore blockage is unlikely.

A score of 1 means the extract is generally suitable for acne-prone skin. Only watch for formulas that pair it with thick butters or petrolatum as those other ingredients, not the extract itself, could trigger congestion.

Summary

In skincare Polyalthia Longifolia Wood Extract acts as a gentle plant conditioner. Its natural flavonoids and polyphenols reinforce the moisture barrier, soften rough patches and offer light antioxidant support that helps skin stay calm and comfortable.

The ingredient is still a quiet achiever rather than a headline act, popping up mostly in targeted soothing creams, after-sun gels and a handful of clean beauty serums.

Research and user reports point to a high safety profile with rare irritation or pore clogging. Even so, doing a quick patch test each time you try a new product that contains this extract is a good precaution to make sure it suits your individual skin.

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