Drometrizole
AKA “2-(2-HYDROXY-5-METHYLPHENYL)BENZOTRIAZOLE, 2-(2H-Benzotriazol-2-yl)-4-methylphenol, Drometrizol, 2-(2'-Hydroxy-5'-methylphenyl)benzotriazole, Drometrizolum, Phenol
Synthetic
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Ingredient Facts
Drometrizole
AKA: 2-(2-HYDROXY-5-METHYLPHENYL)BENZOTRIAZOLE, 2-(2H-Benzotriazol-2-yl)-4-methylphenol, 2-(2'-Hydroxy-5'-methylphenyl)benzotriazole, Drometrizolum, Phenol
Synthetic · Uv Absorber · EWG: 4
Plant-Derived
Sunscreen Filter
Synthetic
Clean
A UV filter that helps protect skin from sun damage and premature aging caused by sun exposure.
Formula
C13H11N3O
Mol. Weight
225.25
CAS #
2440-22-4
Form
Powder
Plant-Derived
Synthetic. Synthesized from aromatic hydrocarbon compounds within the benzotriazole chemical family. Produced through multi-step organic synthesis involving cyclization and substitution reactions of precursor molecules.
Function
Uv Absorber
Benefits
Shields from UV damage
Traditional Use
Developed as a UV-absorbing chemical filter in the 1970s for sunscreen formulations. Designed to protect skin from harmful UVA/UVB radiation and prevent photodegradation of cosmetic products.
Skin Types
all-skin-types
Best For
Target
Sun Damage
Melanin-Rich Skin
Suitable
Pregnancy Safe
Caution
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe, Moderate Irritant
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR