Texture enhancer

Glycereth-26 at a glance

  • Synthetic, glycerin-based ingredient
  • Used as a moisturising and thickening ingredient in cosmetics
  • Is used in concentrations up to 39.5% in rinse-off products and 6% in leave-on formulas
  • Ruled safe as used in cosmetics

Glycereth-26 description

Glycereth-26 is a synthetic glycerin-based ingredient used as a humectant (moisture-binding agent) and thickener in cosmetics. In its raw form it is a slightly viscous liquid. Glycereth-26 is used in rinse-off products in concentrations up to 39.5% and leave-on products in amounts up to 6%. The independent Cosmetic Ingredient Review panel has deemed glycereth-26 safe as it is used in cosmetics.

Glycereth-26 references

  • Nanomedicine: Nanotechnology, Biology and Medicine, February 2020, ePublication
  • Cosmetic Ingredient Review, March 2019, pages 1-11

Peer-reviewed, substantiated scientific research is used to assess ingredients in this dictionary. Regulations regarding constraints, permitted concentration levels and availability vary by country and region.

Ingredient ratings


Proven and supported by independent studies. Outstanding active ingredient for most skin types or concerns.


Necessary to improve a formula's texture, stability, or penetration.


Generally non-irritating but may have aesthetic, stability, or other issues that limit its usefulness.


There is a likelihood of irritation. Risk increases when combined with other problematic ingredients.


May cause irritation, inflammation, dryness, etc. May offer benefit in some capability but overall, proven to do more harm than good.


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Not rated

We have not yet rated this ingredient because we have not had a chance to review the research on it.