Glucosyl Gallate: 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 27, 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 Glucosyl Gallate?

Glucosyl Gallate is a plant based compound formed when a sugar molecule called glucose joins with gallic acid, a natural substance found in tea leaves, grapes and oak bark. Chemists first looked at it as a food preservative because of its strong antioxidant power, and skin care brands soon noticed those same qualities could protect creams and lotions from going rancid while also guarding the skin. Today it is made in labs through an enzyme guided process that links the glucose to gallic acid in a gentle water based reaction, giving a high purity powder that blends easily with other cosmetic ingredients.

You will spot Glucosyl Gallate in many leave on and rinse off products such as daily moisturizers, hydrating masks, anti aging serums, soothing after sun gels and even some cleansers. Formulators like it because it works in both water and oil systems, holds up well under light and heat, and pairs nicely with vitamins and plant extracts.

Glucosyl Gallate’s Cosmetic Benefits/Uses

In skin care Glucosyl Gallate pulls double duty by caring for the product itself and for your skin

  • Antimicrobial – Helps keep formulas fresh by slowing the growth of unwanted bacteria and yeast which can spoil a product or irritate skin
  • Antioxidant – Neutralizes free radicals caused by sun exposure and pollution helping to reduce early signs of aging like dullness and fine lines
  • Humectant – Draws water to the skin surface boosting hydration and leaving skin feeling soft and plump
  • Skin Protecting – Forms a light shield that helps defend against daily environmental stress making the skin barrier more resilient

Who Can Use Glucosyl Gallate

Glucosyl Gallate is considered gentle enough for all skin types including sensitive, dry, combination, oily and acne prone skin because it is water soluble, low in oil content and has a mild pH. People with a known allergy to gallic acid derivatives should approach with caution as they may be more likely to react.

The ingredient is produced from plant sources through an enzyme guided process and contains no animal derived material, making it suitable for vegans and vegetarians.

No evidence suggests Glucosyl Gallate poses a risk during pregnancy or while breastfeeding, yet this is not medical advice. Expectant or nursing women should ask a qualified health professional before using any new skincare product to stay on the safe side.

Glucosyl Gallate does not cause photosensitivity so it can be used both day and night. It also plays well with other actives like retinol or vitamin C and does not interfere with sunscreen performance.

Potential Side Effects/Adverse Reactions

Individual responses to topical Glucosyl Gallate vary. The points below list potential side effects that could occur even though most users experience none when the ingredient is formulated correctly.

  • Mild redness or warmth shortly after application
  • Transient itching or tingling on very sensitive skin
  • Rare allergic contact dermatitis presenting as rash or swelling
  • Stinging if applied to broken or freshly exfoliated skin

If any of these effects occur discontinue use and seek medical advice if symptoms persist or worsen.

Comedogenic Rating

Rating: 0 / 5

Glucosyl Gallate is a small water soluble molecule with no oily or waxy components that could block pores, so it is classed as non comedogenic. It does not linger on the skin surface as a heavy film and is typically used at low concentrations, further lowering any clogging risk. This makes it suitable for people who are prone to acne or breakouts. Because it also shows mild antimicrobial activity it can even help keep blemish causing bacteria in check.

Summary

Glucosyl Gallate delivers four key benefits: it scavenges free radicals to limit environmental damage, draws moisture into the skin to improve softness, fights microbes that could spoil the product or irritate skin and creates a lightweight protective shield that supports the barrier. It achieves these feats thanks to the combined chemical traits of glucose and gallic acid, allowing it to interact with water, oil and reactive oxygen species all at once.

The ingredient is still more of an insider pick than a mainstream buzzword, yet formulators appreciate its multitasking nature so its presence is quietly growing in moisturizers, toners and treatment serums.

Overall safety data are reassuring, with very low rates of irritation or allergy reported. As with any new skin care component it is wise to patch test a product containing Glucosyl Gallate before full use just to be cautious.

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