Melilotus Officinalis Flower Extract: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: July 1, 2025
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We verify all information on this page using publicly available nomenclature standards from The Personal Care Products Council (PCPC), the European Commission's CosIng database and documentation provided directly by ingredient manufacturers. Our analysis is based on technical data from these sources to ensure accuracy and reliability.

What Is Melilotus Officinalis Flower Extract?

Melilotus Officinalis Flower Extract is a plant-derived ingredient obtained from the bright yellow blossoms of sweet clover, a member of the pea family that grows across Europe, Asia and North America. The flowers are rich in naturally occurring coumarin, flavonoids and tannins, compounds valued for their soothing and toning properties. Sweet clover has been used for centuries in herbal preparations to freshen skin and ease minor swelling, a background that sparked interest among modern formulators looking for gentle botanical actives.

To create the extract, freshly harvested or carefully dried flowers are steeped in a skin-friendly solvent such as water, glycerin or a mix of water and alcohol. The liquid is then filtered to remove plant solids, concentrated and standardized so each batch offers consistent performance in a finished product.

Because of its calming scent and multitasking profile, Melilotus Officinalis Flower Extract appears in a variety of topical cosmetics. You might spot it in clarifying toners, hydrating mists, lightweight moisturizers, sheet masks, anti-aging serums and targeted treatments for fragile areas like the under-eye zone or post-shave skin.

Melilotus Officinalis Flower Extract’s Cosmetic Benefits/Uses

This flower extract offers several helpful actions when blended into skincare formulas:

  • Astringent: The natural tannins provide a mild tightening effect that can make pores look smaller and leave skin feeling refreshed, making the extract a good fit for toners and clarifying masks.
  • Skin conditioning: Flavonoids and other phyto-nutrients help soften and soothe the surface of the skin, supporting a smoother feel and a healthy-looking glow.
  • Emollient: The extract supplies light plant oils and sugars that add a hint of moisture, improving spreadability and leaving a soft, comfortable finish without heaviness.

Who Can Use Melilotus Officinalis Flower Extract

Melilotus Officinalis Flower Extract is generally well tolerated by most skin types. Its mild astringent and emollient qualities make it suitable for normal, combination, oily and even sensitive skin because it refreshes without stripping and adds a whisper of moisture. Extremely dry or compromised skin may find it helpful as part of a richer formula, but the extract alone will not supply heavy nourishment.

The extract is derived entirely from plant material with no animal by-products, so it aligns with vegan and vegetarian lifestyles.

There is no evidence to suggest that topical use poses a risk during pregnancy or breastfeeding, yet hormonal changes can heighten skin reactivity. This is not medical advice and anyone who is pregnant or nursing should review all skincare choices with a healthcare professional to be safe.

The ingredient is not known to cause photosensitivity and it does not increase the need for sun protection beyond the usual daily SPF recommendation.

Potential Side Effects/Adverse Reactions

Side effects and reactions to topical Melilotus Officinalis Flower Extract can vary from person to person. The points below outline potential issues that could occur in rare cases. When the ingredient is correctly formulated most users will not experience problems.

  • Allergic contact dermatitis resulting in redness itching or small bumps
  • Mild stinging or burning on very sensitive or broken skin
  • Increased bruising tendency if applied to open cuts or in large amounts because the plant contains coumarin compounds that can slightly thin blood
  • Interaction with prescription anticoagulant creams applied to the same area which might amplify their effect

If any discomfort or unexpected reaction occurs discontinue use and consult a healthcare provider.

Comedogenic Rating

Rating: 1/5

Melilotus Officinalis Flower Extract is largely water based with minimal lipids, so it sits lightly on the skin and seldom blocks pores. Its subtle astringent action can even help temper surface oil, keeping the likelihood of congestion low.

This makes the extract a comfortable option for those who are prone to acne or frequent breakouts.

Keep in mind the finished product’s full ingredient list and texture will ultimately decide how pore friendly it is.

Summary

Melilotus Officinalis Flower Extract serves as an astringent, skin conditioning agent and mild emollient. Tannins tighten and refresh, flavonoids soothe and support an even tone while small amounts of plant sugars add a whisper of moisture for a smooth feel.

Though it has not reached buzzword status, the extract enjoys steady use in toners, facial mists and lightweight moisturizers where a gentle botanical boost is desired.

It is generally considered safe with low irritation potential, yet skin can be unpredictable so patch testing a new product that features this ingredient is always a smart practice.

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