Antioxidant

Paeonol

INCI: PAEONOL

Reviewed by Emma · Last updated 14 Aug 2026

A plant-derived antioxidant with emerging evidence for inflammatory skin conditions

Best For Skin Types

All, Sensitive, Oily

Addresses

Redness, Sensitivity, Inflammation

Usage Frequency

Daily

What Is Paeonol?

Paeonol is a naturally occurring phenolic compound derived from peony plants (Paeonia species). In skincare formulations, it functions as an antioxidant and skin conditioning agent, helping to protect skin from oxidative stress whilst supporting the skin's natural barrier function.

The ingredient has been used in traditional medicine for centuries, and modern research has begun investigating its mechanisms in topical skincare applications, particularly for inflammatory and wound-healing scenarios.

Benefits for Your Skin

How It Works

Paeonol appears to work through multiple pathways. Research suggests it may modulate inflammatory signalling cascades — specifically pathways involving macrophage behaviour and inflammatory mediators — helping to reduce excess inflammation in skin tissue.

As an antioxidant, paeonol neutralises reactive oxygen species (free radicals) that accumulate from environmental stressors and natural metabolism, potentially reducing inflammatory triggers and supporting skin resilience.

Clinical Evidence & References

Current evidence for paeonol in skincare is emerging but limited to laboratory and animal studies. Research demonstrates anti-inflammatory effects against lipopolysaccharide-induced inflammation and shows potential in modulating immune responses relevant to inflammatory skin conditions. One study examined paeonol derivatives in a psoriasis-like skin inflammation model with promising preliminary results.

However, human clinical trials in topical skincare applications are scarce. Most research has focused on wound healing in diabetic contexts or designed synthetic paeonol derivatives rather than the ingredient as used in cosmetics. More evidence from controlled human studies would strengthen confidence in its efficacy for general skincare use.

How to Use

Paeonol is typically found in serums, essences, and treatment products at low to moderate concentrations. It integrates well into antioxidant-focused routines and can be layered with other active ingredients. Apply to clean skin before heavier moisturisers. As with any antioxidant, consistency matters — benefits develop with regular use over time rather than immediate results.

Safety & Precautions

Paeonol is generally well-tolerated in topical skincare formulations. Allergic contact dermatitis is rare but possible; patch test if you have known sensitivity to botanical extracts or peony-derived ingredients.

Frequently Asked Questions

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