Butylglucoside Caprate: 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 Butylglucoside Caprate?

Butylglucoside Caprate is a plant-derived ingredient made by joining a sugar unit called glucose to a fatty acid known as capric acid. The technical term for this link is butyl-beta-D-glucopyranoside 6-decanoate. Most manufacturers start with renewable raw materials such as corn or sugarcane for the glucose part and coconut or palm kernel oil for the fatty acid part. Through a controlled reaction called esterification, the two pieces are bonded to create a mild surface-active molecule that loves both water and oil.

Interest in sugar-based surfactants grew in the 1990s when brands began searching for gentler alternatives to traditional soaps. As research showed these sugar esters could clean the skin without stripping it, Butylglucoside Caprate found its way into rinse-off products. Today it is produced on a commercial scale in factories that specialize in green chemistry, using lower temperatures and fewer solvents than older methods.

You will often see Butylglucoside Caprate in face washes, micellar waters, baby shampoos, body cleansers, lightweight moisturizers and even some sheet masks. Formulators like it because it can both lift away grime and help keep water and oils blended, making it useful in everything from simple gels to complex emulsions.

Butylglucoside Caprate’s Cosmetic Benefits/Uses

Here is how this multitasking ingredient improves your daily skincare and haircare products:

  • Cleansing: Its sugar-fat structure acts like a magnet for dirt and excess oil allowing them to rinse away easily. Because it is milder than many sulfates it helps leave skin and hair feeling soft rather than squeaky.
  • Emulsifying: It helps water and oil mix smoothly which stabilizes lotions, creams and makeup removers so they stay consistent from the first pump to the last.

Who Can Use Butylglucoside Caprate

This gentle surfactant suits nearly all skin types including dry, balanced, oily and sensitive skin because it is mild and non stripping. People with eczema or easily irritated skin often tolerate it better than harsher cleansers. There are no known skin types that must avoid it unless an individual has a specific allergy to sugar esters.

The ingredient is typically manufactured from plant sources like corn sugar and coconut oil so it is suitable for vegans and vegetarians. Reputable suppliers do not use animal derivatives in the synthesis or testing phase.

Current safety data indicates no problems for women who are pregnant or breastfeeding when the ingredient is used in rinse-off or leave-on cosmetics. This is not medical advice and anyone expecting or nursing should show the full product list to a qualified healthcare provider to be certain it fits their personal needs.

Butylglucoside Caprate does not make skin more sensitive to the sun and it does not interfere with sunscreen performance. It is odorless and free of essential oils making it a good choice for people who avoid fragrances.

Potential Side Effects/Adverse Reactions

Side effects linked to topical use of Butylglucoside Caprate vary from person to person. The points below describe potential outcomes that are unlikely for most users when the ingredient is properly formulated.

  • Mild eye irritation if a high-foaming cleanser gets into the eyes
  • Rare cases of contact dermatitis in individuals sensitive to sugar-based esters
  • Temporary dryness or tightness when used in very concentrated rinse-off products
  • Transient scalp stinging in shampoos with elevated surfactant levels
  • Slight redness on already compromised skin barriers

If any discomfort or reaction occurs stop using the product and seek guidance from a medical professional

Comedogenic Rating

Rating: 1/5

Butylglucoside Caprate is highly water soluble and rinses off the skin without leaving a greasy film. Its molecular size is relatively large compared with typical pore-clogging oils so it has little chance to settle into follicles. As a result it carries a very low comedogenic risk.

This means the ingredient is generally suitable for acne-prone or breakout-prone skin.

No reputable data suggest it aggravates fungal acne and it is also free of heavy silicones or waxes that could trap debris.

Summary

Butylglucoside Caprate is a plant-derived multitasker that cleanses by loosening dirt and oil, emulsifies by keeping water and lipids blended and boosts overall formula mildness thanks to its sugar-fat structure. It appears most often in gentle face washes, micellar waters, baby shampoos and lightweight lotions, although it is still less common than classic surfactants like coco-glucoside or sodium cocoyl isethionate.

Safety studies rate it as low-irritation with no known systemic concerns, making it a comfortable choice for vegans, sensitive skin users and those who are pregnant or breastfeeding. As with any new skincare ingredient it is smart to patch test a product first to confirm personal compatibility.

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