Zinc Hydroxide
molecular structure · PubChem
AKA: 20427-58-1, Zinc dihydroxide, Zinc(2+) ion dihydroxide, Zinc hydroxide (Zn(OH)2)
Synthetic
Not Clean
Zinc hydroxide is a hydroxide of zinc, with the chemical formula Zn(OH)2. It is used in surgical dressings. Zinc is a metallic element with the atomic number 30. It is found in nature most often as the mineral sphalerite. It also occurs naturally as 3 rare minerals: wн_lfingite (orthorhombic), ashoverite and sweetite (both tetragonal).Though excess zinc in harmful, in smaller amounts it is an essential element for life, as it is a cofactor for over 300 enzymes and is found in just as many transcription factors. (L48, L49, L68)
Formula
H2O2Zn
Mol. Weight
99.40
CAS #
20427-58-1
Form
Powder
State
Dry Powder
Functions
Absorbent
Absorbs Excess Oil
Fights Bacteria
Anti-Aging Benefits
Reduces Inflammation
Traditional Use
A basic zinc compound with historical use in traditional medicine for skin conditions and wound treatment. Used in modern cosmetics primarily as a thickening agent and pH buffer.
Skin Types
●all-skin-types
Best For
Acne
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR