Molasses Extract
INCI: MOLASSES EXTRACT
Reviewed by Rosie · Last updated 2 Jun 2026
A fermentation byproduct with antioxidant and skin-conditioning properties
Best For Skin Types
All, Dry, Combination, Mature
Addresses
Usage Frequency
Daily
What Is Molasses Extract?
Molasses extract is derived from molasses, a thick syrup left over after sugar refining. In cosmetic applications, it is often used in fermented form, where microorganisms break down the molasses and enhance its bioactive compounds. This process increases the concentration of polyphenols and organic acids, which contribute to the ingredient's skincare function.
The extract functions primarily as a skin conditioner, helping to maintain skin hydration and support the skin's natural barrier. The fermentation process also generates lactic acid, which may provide gentle exfoliating properties alongside antioxidant benefits.
How It Works
When molasses undergoes fermentation with lactic acid bacteria, the process generates both lactic acid and increases polyphenol availability. These compounds work synergistically: polyphenols deliver antioxidant activity that neutralises free radicals, whilst lactic acid gently softens the skin surface and supports the skin microbiome.
The conditioning effect comes from molasses's natural humectants and emollients, which draw moisture into the skin and seal it in. This dual action of chemical exfoliation and hydration support makes fermented molasses extract suitable for maintaining skin health and appearance.
Clinical Evidence & References
Research into fermented molasses extract shows promising antioxidant activity when measured using standard laboratory tests (DPPH and FRAP assays). Studies optimising fermentation parameters demonstrate that fermented extracts contain higher levels of polyphenols and lactic acid compared to unfermented material, which aligns with the ingredient's proposed skincare benefits.
However, direct clinical evidence of efficacy in human skin remains limited. Most existing research focuses on the ingredient's chemical composition rather than measurable skin improvements in controlled trials. Further human studies would help clarify its effectiveness for specific skin concerns.
Published Research
How to Use
Molasses extract is typically incorporated into rinse-off products such as cleansers and masks, or leave-on products like serums and moisturisers. If using a product containing this ingredient for the first time, introduce it gradually to allow your skin to acclimate, particularly if the formulation also contains lactic acid. It pairs well with other hydrating and antioxidant ingredients.
Safety & Precautions
Frequently Asked Questions
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