Antioxidant

Phaseolus Angularis Seed Extract

INCI: PHASEOLUS ANGULARIS SEED EXTRACT

Reviewed by Kate · Last updated 14 Aug 2026

Also known as: Phaseolus Angularis Seed Extract

Plant extract with antioxidant properties that may help protect skin from UV damage

Best For Skin Types

All, Dry, Mature

Addresses

Fine lines, Dryness, Photoaging

Usage Frequency

Daily

What Is Phaseolus Angularis Seed Extract?

Phaseolus angularis seed extract comes from the adzuki bean, a legume widely used in East Asian cuisine and valued for its protein and starch content. In skincare, it functions primarily as an antioxidant and skin conditioning agent, working to neutralise free radicals and support the skin's natural defences.

The extract contains compounds that may help mitigate oxidative stress caused by environmental factors, particularly UV exposure. It also has humectant and emollient properties, meaning it can help skin retain moisture and feel softer.

Benefits for Your Skin

How It Works

Phaseolus angularis seed extract works primarily through its antioxidant mechanisms. When skin is exposed to UV radiation, it generates reactive oxygen species (ROS) — unstable molecules that damage cells and accelerate ageing. The extract's bioactive compounds scavenge these free radicals, reducing oxidative stress.

Additionally, research suggests the extract may help suppress the production of matrix metalloproteinases (MMPs), enzymes that break down collagen and elastin in the skin. By moderating MMP activity, it may help preserve skin structure and reduce the appearance of fine lines. The ingredient also supports skin barrier function, which becomes compromised with chronic sun exposure.

Clinical Evidence & References

Laboratory studies on human skin cells exposed to UVB radiation show that Phaseolus angularis seed extract effectively reduces oxidative damage and suppresses markers associated with photoaging. In cell-based models, it has demonstrated the ability to increase filaggrin — a key protein involved in barrier integrity — and to reduce MMP-1 and MMP-3 expression.

A small clinical trial (21 participants) investigating the extract in a cream formulation suggested anti-wrinkle benefits in the eye area, with results tested on both artificial skin models and human subjects. However, the evidence base remains limited. More extensive clinical research would help establish optimal concentrations, long-term efficacy, and whether benefits extend beyond photoaging prevention. Current data suggests promise, but this ingredient should not be positioned as a replacement for broad-spectrum sunscreen.

How to Use

Phaseolus angularis seed extract is typically found in serums, moisturisers, and eye creams at relatively low concentrations. Apply products containing this ingredient to clean skin as part of your daily routine, morning and evening. It pairs well with other antioxidants and works synergistically with sunscreen — use it as part of a comprehensive UV protection strategy rather than a standalone defence. Allow the product to absorb fully before applying subsequent layers.

Safety & Precautions

Generally well-tolerated across skin types. As with any plant-derived ingredient, patch testing is sensible if you have known sensitivities to legumes or plant proteins, though allergic reactions are uncommon in cosmetic use.

Frequently Asked Questions

From the Clinic

Not sure what your skin actually needs?

Two minutes, a few questions, and we’ll point you at what matters — no guesswork.

Take the skin quiz

Learn More About Skincare Ingredients

Explore our comprehensive ingredient glossary to understand what's in your products.

Browse All Ingredients

Authorised Stockist

Official UK retailer

Tracked Delivery

Free UK shipping over £50

5 Star Rating

Trusted by thousands

Expert Advice

Free consultations