Ethylparaben ●
TL;DR. This ingredient is an antimicrobial preservative used to control bacteria, yeast, and mold in water-containing formulas. It is often paired with other preservatives to broaden coverage and improve reliability across product types.
What does Ethylparaben do in a cosmetic formula?
This ingredient is an antimicrobial preservative used to control bacteria, yeast, and mold in water-containing formulas. It is often paired with other preservatives to broaden coverage and improve reliability across product types.
Is Ethylparaben clean?
From a clean beauty perspective, this ingredient has significant standards friction because many clean retailers and certification programs restrict this preservative family. It is generally low-sensitizing at allowed cosmetic levels, but its endocrine-screening history keeps it under closer scrutiny than many newer preservation options.
Is Ethylparaben sustainable?
This material is usually synthetically produced, often from petrochemical-derived inputs, though the chemistry can also be approached from bio-based aromatic feedstocks. It is generally biodegradable and not considered highly bioaccumulative, but wastewater detection reflects its broad historical use.
Is Ethylparaben COSMOS-approved?
It is not permitted under COSMOS-natural or COSMOS-organic standards as a cosmetic preservative. Its Green Chemistry profile is mixed, since it works at low dose and can break down environmentally, but it has limited renewable sourcing alignment and poor clean-standard acceptance.
How does Ethylparaben work chemically?
The molecule is a small aromatic ester with both hydrophobic and polar character, which helps it partition into microbial membranes while still functioning in emulsions and aqueous systems. Typical regulatory limits are up to 0.4% for a single ester and 0.8% for permitted mixtures in many markets, with best performance in acidic to mildly neutral formulas and reduced preservative efficiency as pH moves into the alkaline range.
Last updated 2026-05-13