Ppg-2 C12-15 Pareth-6: 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 Ppg-2 C12-15 Pareth-6?

Ppg-2 C12-15 Pareth-6 is a synthetic ingredient made by attaching short chains of propylene oxide and ethylene oxide to fatty alcohols that come from mid-length (C12-C15) plant or petroleum-derived sources. The result is a clear to slightly hazy liquid that mixes easily with water and oils. Chemists began experimenting with these kinds of “Pareth” molecules in the 1960s when the cosmetics industry was searching for gentler alternatives to traditional soaps. By fine-tuning the number of propylene and ethylene units—two in this case for PPO and six for PEO—they created a surfactant that cleans without stripping and blends oil with water.

Manufacturing involves reacting the fatty alcohol base with controlled amounts of propylene oxide, then ethylene oxide, in a pressurized reactor. After purification and quality checks the liquid is ready for use in personal care formulas.

You will spot Ppg-2 C12-15 Pareth-6 in a wide range of products such as facial cleansers, body washes, micellar waters, makeup removers, exfoliating scrubs, lightweight lotions, sunscreens and even some hair conditioners where mild cleansing or improved texture is needed.

Ppg-2 C12-15 Pareth-6’s Cosmetic Benefits/Uses

This multitasking ingredient earns its place in formulas thanks to the roles below

  • Cleansing: Lowers the surface tension of water so dirt, oil and makeup lift off the skin more easily. It produces mild foam that rinses clean, leaving the skin feeling fresh rather than tight.
  • Emulsifying: Helps oil and water stay mixed, giving creams and lotions a smooth stable texture. This prevents separation in the bottle and ensures active ingredients spread evenly when applied.

Who Can Use Ppg-2 C12-15 Pareth-6

Ppg-2 C12-15 Pareth-6 is generally well tolerated by most skin types. Its mild cleansing action suits oily, combination and normal skin that need help removing excess oil without a harsh squeaky finish. Dry or very sensitive skin can usually use it too because it is less stripping than traditional sulfates, though those users may want formulas where it is paired with extra moisturizers for added comfort.

The ingredient can be sourced from plant or petroleum feedstocks but contains no animal material, so products made with it are typically suitable for vegans and vegetarians. If a fully plant based supply chain matters to you check with the brand for confirmation.

No research shows that topical Ppg-2 C12-15 Pareth-6 is harmful during pregnancy or while breastfeeding. It stays on the surface of the skin, is used in low amounts and has minimal absorption, yet this is not medical advice. Pregnant or nursing individuals should run any skincare routine past a healthcare professional to be safe.

Ppg-2 C12-15 Pareth-6 does not make skin more sensitive to the sun and has no known issues with common active ingredients such as retinoids or vitamin C. It is free of gluten, soy and nut oils so it rarely triggers diet related allergies when used on skin.

Potential Side Effects/Adverse Reactions

Reactions to topical Ppg-2 C12-15 Pareth-6 differ from person to person. The following is a list of potential side effects that could occur, but most users experience none of them when the ingredient is used correctly in a finished product.

  • Mild skin irritation or redness, usually in people with very reactive skin
  • Temporary dryness or tightness if the formula is left on the skin too long or not followed with moisturizer
  • Stinging if the product gets into the eyes
  • Rare cases of allergic contact dermatitis with itching or small bumps

If you notice any of these issues stop using the product and seek guidance from a healthcare professional.

Comedogenic Rating

Rating: 1/5 – Ppg-2 C12-15 Pareth-6 is a lightweight, water dispersible surfactant that rinses clean without leaving an oily film, so it is unlikely to clog pores. It has a very different structure from heavy plant oils or waxes that typically earn higher scores. Lab tests and consumer use data rarely link it to blackheads or whiteheads, though any ingredient can cause issues in unusually reactive skin. People prone to acne can generally use products containing this ingredient without concern. The rating may climb slightly if the finished formula also includes richer emollients, so always consider the whole product when judging breakout potential.

Summary

Ppg-2 C12-15 Pareth-6 works mainly as a cleanser and emulsifier. Its mixed propylene oxide and ethylene oxide chains lower surface tension so water can lift away dirt and oil while its fatty alcohol portion anchors the molecule in oily phases, letting it bridge oil and water for stable, smooth textures. This dual action makes it a reliable helper in face washes, micellar waters, light lotions and even some sunscreens.

The ingredient sits in the middle of the popularity scale: not a headline act like hyaluronic acid yet common enough that you will spot it in many mainstream formulas because chemists trust its mildness and versatility.

Safety-wise it is considered low risk at the concentrations used in cosmetics with only occasional reports of mild irritation. Still, everyone’s skin is unique so it is smart to patch test any new product that lists Ppg-2 C12-15 Pareth-6 high on its label.

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