Vitex Agnus-Castus Fruit Extract
INCI: VITEX AGNUS-CASTUS FRUIT EXTRACT
Reviewed by Kate · Last updated 2 Jun 2026
A plant extract traditionally used to support skin condition and hormonal balance
Best For Skin Types
All
Addresses
Usage Frequency
Daily
What Is Vitex Agnus-Castus Fruit Extract?
Vitex agnus-castus fruit extract comes from the chasteberry plant, native to the Mediterranean and Central Asia. In skincare formulations, it functions as a skin conditioning agent—a broad category that refers to ingredients designed to improve skin texture and appearance.
The extract has been used in herbal medicine for centuries, particularly in European traditions where it remains popular for supporting hormonal health. In cosmetics, it is typically included at low concentrations to contribute to overall skin conditioning benefits.
How It Works
The chasteberry extract is thought to work through compounds that interact with hormonal pathways in the body. Whilst the exact mechanisms in topical skincare remain understudied, research suggests the extract may help modulate hormonal signals that influence skin behaviour and condition.
When applied topically or ingested as a supplement, these bioactive compounds may support skin function during hormonal fluctuations—particularly those linked to the menstrual cycle—though the strength of this effect when applied to skin directly (rather than taken internally) is not yet fully established.
Clinical Evidence & References
Most robust evidence for Vitex agnus-castus comes from oral supplement studies, particularly for premenstrual syndrome (PMS). Research indicates that internal use of the extract may help reduce PMS-related symptoms, including skin-related concerns such as cyclical breakouts and skin sensitivity.
Evidence specifically supporting topical application in skincare products is more limited. The ingredient appears well-tolerated in formulations, but direct clinical studies on its efficacy when applied to skin are sparse. It is best viewed as a supportive ingredient rather than a primary active in addressing specific skin concerns.
Published Research
How to Use
Vitex is typically found in formulations designed to support hormonal skin health, often combined with other conditioning and soothing ingredients. Use as directed on the product label. If you are prone to cyclical skin concerns, consistent use over several menstrual cycles may be needed to observe any benefit, as hormonal patterns take time to shift.
Safety & Precautions
Frequently Asked Questions
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