Morus Bombycis Root 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 Morus Bombycis Root Extract?

Morus Bombycis Root Extract is a plant derived ingredient obtained from the roots of the mulberry tree species Morus bombycis in the Moraceae family. The root is rich in natural sugars, flavonoids such as mulberroside A, phenolic acids and trace minerals, all of which contribute to its soothing and conditioning properties on skin.

Mulberry roots have been valued in East Asian herbal practices for centuries for their reputed ability to brighten and soften the complexion. As modern cosmetic science began exploring botanical actives in the late twentieth century formulators revisited these traditional uses and identified root extracts as a gentle option for improving skin feel. This led to its inclusion in contemporary skincare starting in the 1990s.

The extract is typically produced through a gentle solvent extraction or water glycerin maceration of cleaned dried roots followed by filtration and concentration. This process preserves the flavonoid profile while removing insoluble plant material so the resulting liquid or powdered extract can be blended smoothly into cosmetic bases.

Today Morus Bombycis Root Extract appears in a variety of products such as brightening masks lightweight moisturizers age support serums spot treatments and daily lotions that focus on maintaining soft comfortable skin.

Morus Bombycis Root Extract’s Cosmetic Benefits/Uses

Morus Bombycis Root Extract is prized by formulators for the way it improves the overall look and feel of the skin.

Its primary role is as a skin conditioning agent. By depositing a thin layer of beneficial plant compounds on the surface it helps skin stay supple smooth and hydrated. The natural sugars attract moisture while the flavonoids offer a calming effect which can reduce the appearance of temporary redness linked to environmental stress. Together these actions leave skin feeling softer and looking more even toned making the extract a versatile addition to products aimed at daily comfort and visible vitality.

Who Can Use Morus Bombycis Root Extract

Morus Bombycis Root Extract is gentle enough for most skin types including dry, normal, combination, oily and even sensitive skin thanks to its soothing flavonoids and hydrating sugars. People who know they react to mulberry or other Moraceae plants should avoid it since botanical cross-sensitivities are possible.

Because the extract is entirely plant derived and no animal by-products are required during harvesting or processing it is suitable for both vegans and vegetarians. As always, final product status depends on the brand’s overall cruelty-free credentials and manufacturing standards.

Current research shows no specific concerns for pregnant or breastfeeding women when the extract is used topically in cosmetic amounts. This is not medical advice; anyone who is expecting or nursing should discuss any new skincare product with a qualified healthcare professional to be safe.

The ingredient is not known to cause photosensitivity so it can be worn day or night without making skin more prone to sunburn. It also plays well with common actives like niacinamide, panthenol, vitamin C and gentle exfoliating acids, making it easy to fit into almost any routine.

Potential Side Effects/Adverse Reactions

Responses to topical Morus Bombycis Root Extract vary from person to person. The points below outline potential side effects that might occur in rare cases; most users will not experience them when the ingredient is correctly formulated and used as directed.

  • Allergic contact dermatitis presenting as redness, itching or rash
  • Mild stinging or warmth immediately after application on very sensitive skin
  • Transient dryness if the formula contains high levels of alcohol
  • Slight yellow-brown staining of light fabrics when a product with a high extract load is not fully absorbed

If any irritation or unexpected reaction develops stop using the product and seek guidance from a healthcare professional.

Comedogenic Rating

Rating: 0 out of 5. Morus Bombycis Root Extract is water based and contains light sugars and flavonoids rather than heavy oils or waxes, so it does not clog pores. This makes it a safe choice for people who are prone to acne or breakouts. Because it is usually added at low levels and is not occlusive, it will not build up on the skin or trap sebum. If the finished product pairs the extract with rich plant butters or heavy silicones, overall pore-clogging risk will depend on those other ingredients, not the mulberry root itself.

Summary

Morus Bombycis Root Extract conditions the skin by laying down humectant sugars that pull in moisture and calming flavonoids that soothe redness. These actions leave the face feeling soft smooth and balanced. While not as famous as green tea or aloe the extract shows up in a steady stream of brightening masks hydrating gels and gentle serums so its quiet popularity is growing. Current data and long-time traditional use point to a high safety profile with only rare reports of irritation. As with any new skincare product it is wise to run a small patch test first to be sure your skin agrees with the formula.

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