Quercus Acutissima Wood Vinegar 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 Quercus Acutissima Wood Vinegar Extract?

Quercus Acutissima Wood Vinegar Extract comes from the sawtooth oak tree, a species common in East Asia. When the wood is slowly heated in a low oxygen chamber it turns to charcoal and releases smoke. That smoke is cooled and distilled into a liquid known as wood vinegar, then further filtered to create the cosmetic grade extract. The final fluid is rich in organic acids such as acetic acid, small amounts of phenols, ketones and trace minerals, all of which give the ingredient its moisture binding and skin comforting traits.

Wood vinegar has been used for centuries in farming and folk remedies, prized for its deodorizing and mild antimicrobial effects. Korean and Japanese beauty formulators began exploring it for skin care in the early 2000s when they noticed its ability to draw in water and calm irritation. Today you can spot Quercus Acutissima Wood Vinegar Extract in hydrating toners, sheet masks, overnight moisturizers, anti aging serums, after sun gels and even some scalp tonics where extra moisture and soothing are needed.

Quercus Acutissima Wood Vinegar Extract’s Cosmetic Benefits/Uses

This extract plays a supporting yet valuable role in many formulas thanks to its dual actions.

  • Humectant: Pulls water from the air and deeper skin layers to the surface, helping to keep skin plump, soft and comfortable. This boosts the hydration power of creams and masks and can make other actives work more smoothly
  • Skin Conditioning: Leaves a light, breathable film that smooths rough spots, increases suppleness and can reduce the look of flakiness. Regular use may enhance overall skin texture and give a healthier finish

Who Can Use Quercus Acutissima Wood Vinegar Extract

This extract is gentle enough for most skin types. Dry and dehydrated skin benefit from its humectant action while oily and combination skin appreciate the lightweight feel that does not clog pores. Sensitive skin generally tolerates it well thanks to its low concentration in finished products though anyone with a known allergy to vinegar or oak derivatives should proceed carefully. On broken or severely compromised skin the mild acids may cause a brief tingle so extra caution is advised.

The ingredient is sourced entirely from plant material and no animal by-products are required during extraction making it suitable for both vegans and vegetarians. Always check the full product label in case other animal derived ingredients are present.

No data indicates that topical use poses a specific risk to women who are pregnant or breastfeeding when the ingredient is included at standard cosmetic levels. Absorption through intact skin is minimal yet this is not medical advice and those who are pregnant or nursing should consult a healthcare professional before adding new products to their routine.

Quercus Acutissima Wood Vinegar Extract is not known to cause photosensitivity and can be used day or night. As with any routine a broad spectrum sunscreen is still important during daytime exposure.

Potential Side Effects/Adverse Reactions

Responses to topical Quercus Acutissima Wood Vinegar Extract vary from person to person. The points below outline potential reactions that could occur although most users experience none of these issues when the ingredient is properly formulated and used as directed.

  • Mild stinging or warmth: The natural acids may momentarily tingle especially on freshly exfoliated or compromised skin
  • Temporary redness: Sensitive individuals can experience short lived flushing that usually subsides within minutes
  • Dry or tight feeling: Overuse or pairing with multiple exfoliating acids may disrupt the moisture barrier leading to dryness
  • Allergic contact dermatitis: Rare but possible in those allergic to oak, vinegar or phenolic compounds resulting in itching rash or swelling
  • Interaction irritation: Combining with strong retinoids, high strength AHAs or BHAs can amplify irritation for some users

If discomfort or an unexpected reaction occurs stop using the product immediately and seek advice from a qualified healthcare provider.

Comedogenic Rating

Rating: 1 / 5

Quercus Acutissima Wood Vinegar Extract is largely water based with trace amounts of organic acids and very little lipid content, so it has minimal potential to block pores. Its lightweight nature and quick evaporation keep residue on the skin extremely low, which is why it earns a near non-comedogenic score of 1 rather than a perfect 0. The tiny presence of phenolic compounds could in theory cause congestion for a small subset of highly reactive users, though this is uncommon.

Overall the extract is considered suitable for people prone to acne or breakouts.

Formulas that pair the extract with heavy oils or waxes can change the finished product’s pore-clogging profile, so always look at the full ingredient list to judge the product as a whole.

Summary

Quercus Acutissima Wood Vinegar Extract serves mainly as a humectant and skin conditioning agent. It pulls moisture from the environment and deeper layers of the skin to the surface while its thin, breathable film helps smooth rough patches and improve softness.

Although centuries old in folk use the ingredient remains something of a niche player in modern cosmetics, seen more often in Korean and Japanese formulas than in Western lines. It is not as famous as glycerin or hyaluronic acid yet brands that use it praise its gentle soothing effect.

Current research and real-world use suggest the extract is generally safe at cosmetic concentrations with a low risk of irritation or pore clogging. As with any new skincare ingredient it is wise to perform a quick patch test before full application to confirm personal compatibility.

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