Tert-Butyl Alcohol
Tert-Butyl Alcohol
TER
5/10
Concern level
Moderate concern
Tert-Butyl Alcohol (tert-butanol) is a small branched alcohol used mainly as a solvent, denaturant, and sometimes perfuming agent in cosmetic products. It has no meaningful skin-benefit role and is included for formulation function rather than treatment.
Pore-clogging
Non-comedogenic
Pregnancy
Safe
Regulatory
No data
Concerns
Alcohol
Chemical Properties
Molecular Weight
74.12 g/molTypical Concentration
0.00% - 1.00%CAS Number: 75-65-0
Skin Type Compatibility
dry skin3/10
oily skin6/10
sensitive skin2/10
acne prone4/10
mature skin4/10
normal skin5/10
Interactions
incompatible with: May be more irritating when combined with other drying alcohols or strong exfoliants., Can increase stinging in formulas that already contain acids or other barrier-disruptive actives.
Risks & Warnings
Can be drying or irritating, especially in leave-on products or on sensitive skin. Higher volatility can increase stinging when the skin barrier is compromised. Not a comedogenic ingredient, but irritation can worsen breakouts in some users.
Vegan Cruelty-Free
