What Is Polyglyceryl-6 Caprylate?
Polyglyceryl-6 Caprylate is an ester created by linking six glycerin molecules, known collectively as hexaglycerol, with caprylic acid, a fatty acid found in coconut and palm kernel oils. The result is a plant-derived ingredient that combines the water-loving nature of glycerin with the oil-friendly traits of caprylic acid, making it useful when a formula needs both characteristics.
The move toward gentler, more naturally sourced emulsifiers in the 1990s set the stage for Polyglyceryl-6 Caprylate to gain popularity. Chemists were looking for alternatives to traditional petrochemical surfactants, and advances in green chemistry made it feasible to produce multi-glycerin esters on a commercial scale. Manufacturers typically create the ingredient through a two-step process: first, glycerin is polymerized under heat and vacuum to form polyglycerin-6, then it is reacted with caprylic acid in the presence of a food-grade catalyst to form the final ester. The process avoids harsh solvents, which appeals to brands focused on clean beauty.
You will most often see Polyglyceryl-6 Caprylate listed on the labels of facial cleansers, micellar waters, makeup removers, hydrating toners, sheet masks and lightweight lotions. It is also common in premium sunscreens and anti-aging serums where formulators want a smooth, non-greasy feel without synthetic emulsifiers.
Polyglyceryl-6 Caprylate’s Cosmetic Benefits/Uses
This ingredient acts as an emulsifier, meaning it helps oil and water blend into a stable, uniform mixture. By binding the two phases together it keeps a formula from separating on the shelf, improves the spreadability of creams and lotions and gives products a silky, non-sticky texture.
Who Can Use Polyglyceryl-6 Caprylate
This emulsifier is generally suitable for all skin types including dry, oily, combination and sensitive because it is considered mild and non comedogenic. Those with very reactive or allergy prone skin may still want to monitor how their skin feels, but most users tolerate it well since it does not strip moisture or leave a greasy film.
The ingredient is made from glycerin and plant derived caprylic acid so it aligns with vegan and vegetarian lifestyles. No animal by products or animal testing are required to manufacture it.
Available safety data show no issues for women who are pregnant or breastfeeding when the ingredient is used topically in cosmetic amounts. This is not medical advice and anyone who is pregnant or nursing should review all skincare products with a qualified healthcare professional just to be safe.
Polyglyceryl-6 Caprylate does not increase photosensitivity so it will not make skin more prone to sunburn. Always pair daytime routines with sunscreen, though, because UV damage stems from sun exposure, not the emulsifier itself.
Potential Side Effects/Adverse Reactions
Responses to any skincare ingredient can differ from one person to another. The following points outline potential side effects that may occur, although they are uncommon when the ingredient is formulated and used correctly.
- Mild redness or flushing
- Transient stinging on very compromised skin
- Allergic contact dermatitis in rare cases
- Eye irritation if the product is accidentally rubbed into the eyes before rinsing
If you experience any discomfort or visible irritation while using a product that contains Polyglyceryl-6 Caprylate discontinue use and consult a healthcare professional.
Comedogenic Rating
Rating: 0 / 5
Polyglyceryl-6 Caprylate is highly water dispersible and does not leave an occlusive film on the skin. Its large, branched structure and partial water solubility allow it to rinse or wipe away easily so it is unlikely to clog pores. This makes it a safe pick for people who are prone to acne or breakouts.
Because the ingredient is often used at low levels and is paired with lightweight textures such as micellar waters and gel cleansers, the finished products tend to feel non greasy which further reduces pore-clogging risk.
Summary
Polyglyceryl-6 Caprylate is a plant derived emulsifier that helps oil and water stay blended, stabilizes formulas and adds a smooth, non sticky feel. Its popularity has grown alongside the clean beauty movement since it gives formulators a mild alternative to petroleum based surfactants without sacrificing performance.
Current research and decades of practical use show the ingredient is low risk with only rare reports of irritation. Still, skin can react in unexpected ways so it is smart to patch test any new product that contains it before using it all over your face.