Bombax Costatum 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: June 23, 2025
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All information on this page is verified using The Personal Care Products Council's (PCPC) INCI database. Our ingredient analyses are based exclusively on PCPC's technical data to ensure accuracy and reliability.

What Is Bombax Costatum Flower Extract?

Bombax Costatum Flower Extract is a plant-derived ingredient obtained from the bright red blossoms of Bombax costatum, a tree native to West Africa that thrives in savanna climates. Traditional communities have long valued these flowers for their soothing and emollient properties, which led formulators to explore them for modern skincare. The extract is generally produced by harvesting the fresh flowers, drying them gently to preserve heat-sensitive compounds, then soaking the petals in a chosen solvent such as water or a mild glycol. The resulting liquid is filtered and concentrated, yielding an extract rich in natural sugars, flavonoids, and protective polysaccharides that can help soften and calm the skin. Thanks to these qualities, Bombax Costatum Flower Extract is most often included in moisturizers, hydrating masks, after-sun lotions and everyday face creams that aim to improve suppleness and overall skin comfort.

Bombax Costatum Flower Extract’s Cosmetic Benefits/Uses

This botanical primarily plays one supportive role in skincare.

Skin conditioning: The sugars and polysaccharides in Bombax Costatum Flower Extract form a light film on the skin surface that helps attract and hold moisture. By reinforcing the skin’s hydration levels the extract leaves the complexion feeling smoother, softer and more resilient, which can enhance the overall sensory feel and performance of moisturizing formulas.

Who Can Use Bombax Costatum Flower Extract

Because it is gentle and mainly acts as a hydrator, Bombax Costatum Flower Extract is generally suitable for all skin types. Dry or mature skin may welcome the added moisture while normal and combination skin can enjoy the soft feel without heaviness. Even oily or acne-prone skin tends to tolerate the extract well since it is light and not known to clog pores. That said, people with a known allergy to silk-cotton family plants should approach with caution.

The extract is plant sourced and the common solvents used for extraction are water or vegetable-based glycols, so products made with it are usually acceptable for vegans and vegetarians.

No data suggest that the ingredient poses special risks to women who are pregnant or breastfeeding. Still, this is not medical advice and anyone who is expecting or nursing should run any skincare choice past a doctor to be safe.

Bombax Costatum Flower Extract is not a photosensitizer, meaning it does not make skin more likely to burn in the sun. Standard daytime sun protection is still advised for overall skin health. The extract also plays nicely with most other cosmetic actives, making it easy to slot into a routine.

Potential Side Effects/Adverse Reactions

Side effects and reactions to topical Bombax Costatum Flower Extract can vary from person to person. The points below list potential issues yet they are uncommon when the ingredient is used correctly in a well-formulated product.

Allergic contact dermatitis: redness, itching or small bumps in individuals sensitive to Bombax species

Mild irritation: stinging or warmth on very reactive or compromised skin, especially at higher extract levels

Formula-related flare-ups: discomfort that stems from other ingredients in the same product rather than the extract itself

If any negative reaction occurs stop using the product and seek advice from a qualified healthcare professional.

Comedogenic Rating

Rating: 1/5

Bombax Costatum Flower Extract is largely composed of water soluble sugars and polysaccharides that sit lightly on the skin and rinse away easily. It contains no heavy oils or waxes that typically block pores which is why its pore-clogging potential is considered very low. Minor traces of natural plant lipids may be present yet the concentrations used in finished products are usually small, keeping the overall rating at 1.

Because of this low score the extract is generally considered suitable for acne-prone or breakout-prone skin.

Do keep in mind that the comedogenicity of a finished formula also depends on the other ingredients and the product’s texture.

Summary

Bombax Costatum Flower Extract is primarily a skin-conditioning agent that boosts surface hydration. Its natural sugars and polysaccharides form a lightweight moisture veil that smooths rough spots and helps the skin feel soft and comfortable.

The extract is still a niche ingredient so you will not see it featured as often as aloe or glycerin yet formulators who value gentle plant hydrators are starting to experiment with it.

Overall safety is high with only rare reports of sensitivity. When trying any new product it is always smart to patch test first so you can spot potential issues early.

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