Ingredient guide

Silybum Marianum Fruit Extract

Silybum Marianum Fruit Extract, also known as milk thistle fruit extract, is a gentle botanical ingredient valued in skincare for its antioxidant properties. Derived from the seeds of the milk thistle plant, it helps protect the skin from environmental stressors while soothing and conditioning. It is commonly found in moisturisers, serums and calming facial treatments.

Silybum Marianum Fruit Extract — Silybum Marianum Fruit Extract is obtained from the dried fruits (seeds) of Silybum mar… | UK Lips ingredient guide

How it works in skincare

In cosmetics and skincare, Silybum Marianum Fruit Extract functions primarily as an antioxidant and skin-conditioning agent. It helps neutralise free radicals generated by urban pollution and UV exposure, supporting the skin’s natural barrier and overall resilience. Its soothing properties make it a popular choice in formulations designed to calm sensitive or irritated skin, while also improving the feel and appearance of dry or rough textures.

Key benefits

  • Provides antioxidant protection against environmental aggressors
  • Helps soothe and calm sensitive or irritated skin
  • Supports the skin’s natural moisture barrier
  • Improves skin softness and smoothness
  • Enhances the overall feel of skincare formulations
  • Suitable for daily use in moisturising and protective products

Best for

sensitive skin, dry skin, mature skin, irritated skin, dull skin

Where it comes from

Silybum Marianum Fruit Extract is obtained from the dried fruits (seeds) of Silybum marianum, commonly known as milk thistle. This hardy biennial plant belongs to the daisy family and has been cultivated in Europe for centuries.

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