What is t-Butyl Alcohol used for in cosmetics?

t-Butyl Alcohol primarily functions as a solvent, helping to dissolve other ingredients and create a uniform product. It can also act as a denaturant for ethanol.

Is t-Butyl Alcohol safe for skin?

When used in cosmetic formulations at appropriate concentrations, t-Butyl Alcohol is generally considered safe. However, like many alcohols, it can be drying or irritating to sensitive skin types.

Home › Ingredients › t-Butyl Alcohol

t-Butyl Alcohol

t-Butyl Alcohol is a clear, colorless liquid used as a solvent in cosmetic formulations. It helps dissolve other ingredients and can also be used as a denaturant for alcohol. Its primary role is to improve the texture and stability of products.

NoneSolventVeganEvidence: Medium

BenefitNone 0 / 4

RiskModerate 1.5 / 4

Irritation

Systemic exposure

Sensitization

Rated by SpottyLabs' ingredient methodology, independent of brands.

Things to watch

Can be drying to the skin in high concentrations
May cause irritation in sensitive individuals

Spot questionable ingredients in seconds

SpottyLabs scans any skincare product and rates every ingredient for benefit, risk and safety. Free and independent — no brand is paying us.

App coming soon

Products with t-Butyl Alcohol

Relief Sun: Rice + Probiotics SPF50+ PA++++

Score 4.7 / 5

Browse all products →

Frequently asked questions

What is t-Butyl Alcohol used for in cosmetics?: t-Butyl Alcohol primarily functions as a solvent, helping to dissolve other ingredients and create a uniform product. It can also act as a denaturant for ethanol.
Is t-Butyl Alcohol safe for skin?: When used in cosmetic formulations at appropriate concentrations, t-Butyl Alcohol is generally considered safe. However, like many alcohols, it can be drying or irritating to sensitive skin types.