Paeonia Lactiflora Bark/Sap 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 Paeonia Lactiflora Bark/Sap Extract?

Paeonia Lactiflora Bark/Sap Extract comes from the bark and sticky sap of the common peony plant, Paeonia lactiflora, a flowering herb long admired in East Asia for its beauty and soothing qualities. The extract is rich in natural sugars, polyphenols, and small amounts of tannins that help calm and soften skin. While peony roots have been used in traditional remedies for centuries, the cosmetic industry began exploring the bark and sap in the last couple of decades once lab studies highlighted their ability to keep skin feeling smooth and comfortable.

To make the extract, harvested bark and sap are gently cleaned, dried, then soaked in a mix of water and skin-friendly solvents. The resulting liquid is filtered and concentrated, leaving behind a clear to light-amber solution packed with peony-derived compounds. The process avoids high heat so the delicate plant molecules stay active, and the final extract is usually standardized to ensure consistent quality from batch to batch.

Formulators add Paeonia Lactiflora Bark/Sap Extract to a range of leave-on and rinse-off products such as hydrating toners, sheet masks, daily moisturizers, lightweight gels, anti-aging serums, and after-sun lotions. It partners well with humectants like glycerin and soothing agents like panthenol to round out gentle, skin-loving formulas.

Paeonia Lactiflora Bark/Sap Extract’s Cosmetic Benefits/Uses

Paeonia Lactiflora Bark/Sap Extract mainly serves one key role in personal care products

Skin conditioning: The plant sugars and polyphenols help attract and hold moisture on the skin’s surface, leaving it feeling soft, supple, and refreshed. Regular use can improve overall skin texture, reduce the look of rough patches, and support a healthy-looking glow, making the extract a useful addition to everyday hydrating and soothing formulas.

Who Can Use Paeonia Lactiflora Bark/Sap Extract

Paeonia Lactiflora Bark/Sap Extract is gentle enough for most skin types, including dry, normal, combination and sensitive skin that needs extra soothing and moisture. Oily or acne-prone skin can also use it because the extract itself is lightweight and non greasy, though very heavy cream bases that include it may feel rich for those who prefer gel textures.

The ingredient is 100 percent plant derived so it is suitable for both vegetarians and vegans. No animal byproducts are involved in its harvesting or processing.

There is no specific data showing problems for pregnant or breastfeeding women when the extract is used topically in cosmetic amounts. Even so this is not medical advice and anyone who is pregnant or nursing should check with a healthcare professional before adding new skincare products.

Paeonia Lactiflora Bark/Sap Extract does not make skin more sensitive to sunlight and it can be used day or night. Standard daily sun protection is still recommended for overall skin health.

Potential Side Effects/Adverse Reactions

Reactions to topical Paeonia Lactiflora Bark/Sap Extract differ from person to person. The points below describe potential side effects, yet most users will not experience them when the ingredient is properly formulated and used as directed.

  • Mild redness or warmth at the application site
  • Temporary itching or tingling in very sensitive skin
  • Allergic contact dermatitis in individuals allergic to peony or related botanicals
  • Stinging if applied to broken, freshly exfoliated or compromised skin

If any uncomfortable reaction occurs stop using the product and consult a qualified healthcare professional.

Comedogenic Rating

Rating: 1/5 – Paeonia Lactiflora Bark/Sap Extract is mainly composed of water-soluble sugars and polyphenols, with very little oil or wax content, so it is unlikely to clog pores. It has a light texture and is typically used at low concentrations within formulas that rinse off or absorb quickly. Because of this low rating it is generally a safe choice for people who are prone to acne or breakouts. If the extract appears in a heavy cream or oil-rich base, the overall product could still feel occlusive, but the extract itself remains low risk.

Summary

Paeonia Lactiflora Bark/Sap Extract is valued in skincare for its skin-conditioning talent. Its natural sugars act as mild humectants that draw water to the skin surface, while polyphenols provide a comforting, smoothing feel. Together these compounds soften rough spots, support a healthier-looking barrier and leave skin feeling refreshed.

The extract is not yet a headline ingredient like hyaluronic acid or niacinamide but it is quietly gaining traction in gentle toners, masks and daily moisturizers aimed at sensitive or dryness-prone skin. Formulators appreciate that it layers well with common actives without causing texture issues.

Topically the ingredient shows a strong safety record, with only rare reports of irritation or allergy in people sensitive to peony family plants. As with any new cosmetic, performing a quick patch test can help spot individual sensitivities before full-face use.

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