Ppg-7/Peg-30 Phytosterol: 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-7/Peg-30 Phytosterol?

PPG-7/PEG-30 Phytosterol is a modified form of plant sterols obtained mainly from vegetable oils such as soybean or sunflower. Chemically it carries an average of seven propylene oxide units and thirty ethylene oxide units, giving the molecule both water-loving and oil-loving parts that let it mix easily with different cosmetic ingredients.

Plant sterols were first isolated in the early 20th century for nutritional research, but formulators began exploring their cosmetic potential decades later. By the 1990s manufacturers were adding polyoxyethylene and polyoxypropylene chains to phytosterols to create gentle surfactants that blend smoothly into modern skin and hair care products.

Production starts with refining the vegetable oil to separate crude phytosterols. These sterols are then reacted with propylene oxide followed by ethylene oxide under controlled temperature and pressure. The resulting liquid or paste is purified, yielding a versatile ingredient that disperses in both water and oil phases.

Because of its dual affinity PPG-7/PEG-30 Phytosterol appears in a wide range of products, including facial cleansers, micellar waters, sheet masks, lightweight moisturizers, anti-aging lotions, scalp treatments, make-up removers, shampoos and body washes.

Ppg-7/Peg-30 Phytosterol’s Cosmetic Benefits/Uses

This multifunctional ingredient improves both the performance and feel of many personal care formulas.

  • Cleansing: Its surfactant nature helps lift away dirt, oil and makeup without stripping the skin or hair, supporting a gentle yet effective cleanse
  • Emulsifying: The molecule’s split personality links water and oil together so creams, lotions and cleansing oils stay stable, smooth and easy to spread

Who Can Use Ppg-7/Peg-30 Phytosterol

Ppg-7/Peg-30 Phytosterol is generally well tolerated by all skin types including dry, oily, combination and sensitive skin thanks to its mild cleansing action and soothing plant-derived sterol backbone. People with very reactive or damaged skin should still check the full formula for other potential irritants but the ingredient itself is not known to pose special problems.

Because the sterols come from vegetable oils and no animal material is introduced during processing, products using Ppg-7/Peg-30 Phytosterol are suitable for vegans and vegetarians.

Current safety data show no specific risks for pregnant or breastfeeding women when the ingredient is applied topically at the low levels found in cosmetics. This is not medical advice so anyone who is expecting or nursing should review their routine with a qualified healthcare professional to be on the safe side.

The ingredient does not make skin more sensitive to sunlight so there is no extra need for sun-related precautions beyond normal daily SPF use.

Potential Side Effects/Adverse Reactions

Side effects from topical use of Ppg-7/Peg-30 Phytosterol can vary from person to person. The points below outline potential reactions but most users will not notice any problems when the ingredient is blended correctly in a finished product.

  • Mild skin irritation in people who are extremely sensitive to surfactants
  • Redness or stinging if applied to broken or freshly exfoliated skin
  • Contact allergy which could present as itching or small rash in individuals allergic to plant sterols or polyether chains
  • Eye irritation such as watering or burning if the product accidentally gets into the eyes
  • Dryness or tight feel after over-cleansing especially on very dry skin types

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

Comedogenic Rating

Rating: 1 / 5

Ppg-7/Peg-30 Phytosterol is highly water soluble thanks to its long chains of ethylene and propylene oxide so it rinses away rather than sitting on the skin and blocking pores. While the base molecule is derived from oily phytosterols the heavy modification turns it into a lightweight surfactant with very little film-forming ability. As a result the risk of clogging pores is considered low and most acne-prone users tolerate it without extra breakouts. Only in very rich formulas where the ingredient is paired with heavy oils could the comedogenic potential rise slightly.

Suitable for people prone to acne or congestion although individual reactions can vary.

Summary

Ppg-7/Peg-30 Phytosterol serves mainly as a gentle cleanser and an emulsifier. Its split water-loving and oil-loving structure lifts away grime while keeping oil and water blended so products stay smooth and stable. This dual action lets formulators create mild face washes makeup removers light lotions and even hair care that feel pleasant on skin and rinse clean.

Although not the most talked-about ingredient it shows up quietly in a wide range of modern formulas because it performs reliably without adding heaviness or scent. It is generally considered safe for all skin types with a very low irritant and comedogenic profile.

As with any new skincare product it is still wise to do a quick patch test before full use especially if your skin is sensitive.

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