Polyglyceryl-6 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: 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 Polyglyceryl-6 Caprate?

Polyglyceryl-6 Caprate is a plant-derived ingredient created by joining six glycerin molecules with capric acid, a fatty acid commonly sourced from coconut or palm kernel oil. The result is a mild, biodegradable compound that blends the water-loving nature of glycerin with the oil-loving side of fatty acids, making it useful in modern skin care. Although its building blocks have been known for decades, Polyglyceryl-based esters began gaining traction in the early 2000s when brands started looking for alternatives to traditional surfactants and emulsifiers that could be both gentle and eco-friendly.

The manufacturing process usually starts with vegetable glycerin. Through a controlled heating method called polycondensation, multiple glycerin units are linked to form polyglycerin-6. This larger molecule is then reacted with capric acid in an esterification step, giving us Polyglyceryl-6 Caprate. Because the raw materials come from renewable crops and the reactions avoid harsh solvents, the final material fits well with clean beauty standards.

You will most often find Polyglyceryl-6 Caprate in facial cleansers, micellar waters, light moisturizers, sheet masks, makeup removers, baby care products and sunscreens where a gentle yet effective emulsifier is required.

Polyglyceryl-6 Caprate’s Cosmetic Benefits/Uses

This ingredient serves more than one purpose in a formulation, making it valuable for many product types.

  • Cleansing: Its surfactant nature lifts away dirt, oil and makeup without stripping the skin, leading to a softer after-feel compared with conventional sulfates
  • Emulsifying: It helps oil and water stay evenly mixed, allowing brands to create stable creams, lotions or milky cleansers that do not separate on the shelf

Who Can Use Polyglyceryl-6 Caprate

Thanks to its gentle profile Polyglyceryl-6 Caprate is generally suitable for all skin types including sensitive, oily, dry and combination. It cleanses without the harshness linked to sulfates so even easily irritated or redness-prone skin usually tolerates it well. There are no specific concerns that make it unsuitable for acne-prone or mature skin either.

The ingredient is produced from plant glycerin and plant-sourced capric acid so it is considered vegan and vegetarian friendly with no animal-derived components or by-products involved in standard manufacturing.

No data suggests that Polyglyceryl-6 Caprate poses a risk during pregnancy or while breastfeeding when used topically at the levels found in cosmetics. That said this is not medical advice and anyone who is pregnant or nursing should show the full ingredient list of any product to their healthcare provider to be safe.

Polyglyceryl-6 Caprate does not make skin more sensitive to sunlight and can be used in both day and night routines without raising the risk of sunburn. It is also compatible with common actives like niacinamide retinol and vitamin C which allows easy layering in multi-step routines.

Potential Side Effects/Adverse Reactions

Side effects from topical Polyglyceryl-6 Caprate can vary from person to person. The points below outline potential reactions yet most people will not experience them when the ingredient is used correctly in a well-formulated product.

  • Mild skin irritation such as redness or stinging in very sensitive individuals
  • Allergic contact dermatitis in rare cases where a person is specifically sensitized to the molecule
  • Eye irritation if a high-foaming cleanser containing the ingredient is allowed to enter the eyes
  • Temporary tightness or dryness when used in a formula with high surfactant levels or if skin is already dehydrated

If you notice any of these reactions stop using the product and consult a healthcare professional or dermatologist.

Comedogenic Rating

Rating: 1 / 5

Polyglyceryl-6 Caprate is largely water loving and used at modest percentages which keeps it from building up inside pores. Its bulky structure rinses away easily and does not solidify on the skin the way heavier oils or waxes can, placing it near the non-comedogenic end of the scale. This low score means it is generally considered suitable for people who are prone to acne or breakouts.

As with any ingredient, the finished formula matters. A lightweight micellar water with Polyglyceryl-6 Caprate will feel far less pore clogging than a rich balm packed with additional butters, so assess the whole product if congestion is a concern.

Summary

Polyglyceryl-6 Caprate acts as both a cleanser and an emulsifier. Its polyglycerin portion grabs onto water while the capric acid end bonds with oils so the molecule can lift away grime and keep oil-and-water mixes stable. Formulators like this dual action because it cuts down on the number of separate ingredients they need to add.

Although not as famous as classics like glycerin or cetyl alcohol it has gained steady popularity in clean beauty circles and baby care where gentleness and plant sourcing are selling points.

Current studies show a strong safety record with low irritation and a negligible comedogenic profile. Even so every skin is different so it is smart to patch test any new product containing Polyglyceryl-6 Caprate before fully adding it to your routine.

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