Ascorbyl Tocopheryl Maleate: 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 publicly available nomenclature standards and reference materials from The Personal Care Products Council (PCPC) and the European Commission's CosIng database. Our analyses are based on technical data from these sources to ensure accuracy and reliability.

What Is Ascorbyl Tocopheryl Maleate?

Ascorbyl Tocopheryl Maleate is a lab-made compound that joins two powerhouse vitamins—vitamin C (ascorbic acid) and vitamin E (tocopherol)—with malic acid’s cousin maleic acid. By linking them together chemists create a stable ingredient that keeps both vitamins active longer than they would be on their own. The blend can be made through a controlled reaction where purified vitamin C and vitamin E are bonded with maleic acid under gentle heat then refined into a fine powder or liquid concentrate.

Vitamin C and vitamin E have been beauty staples since the 1970s but each had drawbacks: vitamin C breaks down fast when exposed to air or light and vitamin E is thick and oily. In the 1990s researchers found that merging the two through maleic acid not only protected them from early breakdown but also allowed them to recycle each other’s antioxidant power on the skin. This discovery led to the ingredient’s first appearance in premium anti-aging serums and has since spread to mass-market lines.

Today you will spot Ascorbyl Tocopheryl Maleate in lightweight moisturizers, brightening serums, anti-aging creams, sheet masks, eye treatments and after-sun lotions. Formulators like it because it dissolves well in both water and oil systems making it easy to slip into a wide range of textures.

Ascorbyl Tocopheryl Maleate’s Cosmetic Benefits/Uses

This multitasker brings several perks to skin care formulas:

  • Antioxidant: Helps neutralize free radicals formed by UV rays and pollution which can slow the look of skin aging and maintain a fresher appearance
  • Skin conditioning: Supports a smoother softer feel by boosting the skin’s own barrier and improving overall texture and tone
  • Emollient: Adds a light silky finish that reduces dryness and makes the product glide on comfortably

Who Can Use Ascorbyl Tocopheryl Maleate

Ascorbyl Tocopheryl Maleate is generally suitable for most skin types including normal, dry, combination and oily since it is lightweight and non greasy. Sensitive skin usually tolerates it well because the molecule is less acidic than pure vitamin C, though very reactive or compromised skin might still feel a mild tingle at first.

Vegans and vegetarians can use this ingredient confidently because it is synthesized in a lab from plant-derived or fermentation-based vitamin C and vitamin E sources with no animal by-products involved.

Current research shows no specific risks for pregnant or breastfeeding women when the ingredient is used topically at cosmetic levels. Still this is not medical advice and anyone expecting or nursing should run any skincare choice past a healthcare professional to be safe.

The molecule does not increase photosensitivity so you do not have to worry about extra sun sensitivity, though daily sunscreen remains a smart habit for overall skin health.

Potential Side Effects/Adverse Reactions

Reactions to topical Ascorbyl Tocopheryl Maleate differ from person to person. The points below list potential side effects that are unlikely for the average user when the ingredient is used correctly in a well-formulated product.

  • Mild stinging or warmth on application
  • Temporary redness especially on very sensitive skin
  • Contact dermatitis if the user is allergic to vitamin C or vitamin E derivatives
  • Rare clogging or breakout in highly acne-prone individuals if the final formula is too rich or occlusive

If you experience any persistent discomfort or irritation stop using the product and consult a medical professional.

Comedogenic Rating

Rating: 1/5

Ascorbyl Tocopheryl Maleate is structurally larger and less oily than pure vitamin E so it is unlikely to clog pores. It sits lightly on skin and is usually added at low percentages which keeps the risk minimal.

Most people prone to acne or breakouts can use it without trouble, provided the finished product is otherwise non-comedogenic.

This rating refers to the raw ingredient only. A formula packed with heavy butters or waxes could still cause congestion even if this ingredient does not.

Summary

Ascorbyl Tocopheryl Maleate acts as an antioxidant, skin conditioner and emollient. Because vitamin C and vitamin E are chemically linked the molecule stays stable, scavenges free radicals, supports the skin barrier and leaves a smooth feel in one go.

It is not as famous as pure vitamin C or tocopherol but its balanced performance and easy formulation are making it increasingly popular in modern serums and moisturizers.

Topical use is considered very safe with low irritation potential for most skin types. As with any new cosmetic, do a quick patch test to make sure your skin agrees before applying it to your whole face.

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