What is TBHQ used for in cosmetics?

In cosmetics, TBHQ acts as an antioxidant to prevent the degradation of oils and fats, which helps maintain product stability and extend shelf life.

Is TBHQ safe for skin?

TBHQ is generally considered safe for topical use in cosmetics at low concentrations. However, some individuals with sensitive skin may experience irritation.

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TBHQ

TBHQ is a synthetic antioxidant used to prevent fats and oils from going rancid, thereby extending the shelf life of products. It is commonly found in processed foods and some cosmetic formulations. Its primary role is to stabilize ingredients susceptible to oxidation.

AntioxidantVegan

BenefitNone 0 / 4

RiskModerate 1.5 / 4

Irritation i1 / 4

Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.

Endocrine i1 / 4

Whether it has known or suspected hormone-related activity or endocrine-disruption concern.

Systemic exposure i0.5 / 4

Whether it has meaningful potential to be absorbed into the body at levels that may matter biologically. Most cosmetic ingredients score low unless there is known concern or high exposure.

Sensitization i0.5 / 4

Risk of allergic contact dermatitis or immune-based reactions. Fragrance allergens, preservatives, botanicals, and some dyes may score here.

Rated by SpottyLabs' ingredient methodology, independent of brands.

Things to watch

Potential for skin irritation in sensitive individuals
Possible endocrine disruption concerns at high levels

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Frequently asked questions

What is TBHQ used for in cosmetics?: In cosmetics, TBHQ acts as an antioxidant to prevent the degradation of oils and fats, which helps maintain product stability and extend shelf life.
Is TBHQ safe for skin?: TBHQ is generally considered safe for topical use in cosmetics at low concentrations. However, some individuals with sensitive skin may experience irritation.