Skin Conditioning

Rubus Idaeus Leaf Extract

INCI: RUBUS IDAEUS LEAF EXTRACT

Reviewed by Daisy · Last updated 14 Aug 2026

A plant-derived extract that supports skin hydration and antioxidant protection

Best For Skin Types

All, Dry, Sensitive, Mature

Addresses

Dryness, Fine lines, Redness, Hydration

Usage Frequency

Daily

What Is Rubus Idaeus Leaf Extract?

Rubus idaeus leaf extract is derived from raspberry leaf cells grown in laboratory culture. The extract is rich in phenolic compounds and flavonoids—including quercetin, hirsutrin, and ellagic acid—which are naturally occurring antioxidants found in raspberry plants. These compounds have been selected for their potential to support skin health and address visible signs of ageing.

In cosmetic formulations, this ingredient functions primarily as a skin conditioner, working to enhance the skin's natural hydration mechanisms and support the integrity of the hydrolipidic barrier—the skin's natural protective film.

How It Works

Rubus idaeus leaf extract works through multiple mechanisms. Its flavonoid compounds act as antioxidants, neutralising free radicals that accumulate in the skin from environmental damage and natural metabolic processes. This antioxidant activity may help slow visible signs of ageing.

Additionally, the extract contains lipid-soluble compounds that complement the skin's own hydrolipidic barrier. By supporting this barrier's composition and function, the ingredient may improve the skin's ability to retain water and maintain hydration. Research in cell models suggests the extract can enhance water homeostasis—the balance of water within skin cells—contributing to improved skin plumpness and texture.

Clinical Evidence & References

Cell culture studies indicate that Rubus idaeus leaf extract can improve hydration and water retention in skin cells. A split-face randomised controlled trial evaluated a serum combining this extract with vitamins C and E, finding improvements in fine lines, skin tone evenness, and overall skin appearance—though the combined formulation makes it difficult to isolate the specific contribution of the raspberry extract alone.

Laboratory research also demonstrates strong anti-inflammatory activity in skin cell models, with the extract significantly reducing inflammatory markers. However, further human studies would strengthen the evidence base, particularly for specific skin concerns and at varying concentrations.

How to Use

This ingredient is typically incorporated into serums, moisturisers, and treatment products at low concentrations. It works well alongside complementary actives such as vitamins C and E. Apply as directed by the specific product formulation, usually once or twice daily. Allow serums to absorb fully before applying subsequent layers, particularly if using multiple hydrating or antioxidant products.

Safety & Precautions

Rubus idaeus leaf extract is generally well-tolerated. As with any plant-derived ingredient, individuals with known sensitivity to Rubus species or related plants should perform a patch test before full application.

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

Part of a family

Rubus Idaeus Leaf Extract is a variant of Rubus Idaeus (Raspberry) Fruit Extract, the form you will most often see on an ingredients list.

Rubus idaeus (raspberry) fruit extract is popularly known

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