EWG Safety Score
2
Low
What Is Calcium Hydroxide?
Calcium Hydroxide is a cosmetic ingredient.
There is limited independent published research on its topical use, so this entry describes what the ingredient is rather than making specific performance claims.
Regulatory information
Standardised cosmetic-ingredient identifiers used by regulators.
Show identifiers
- INCI Name
- CALCIUM HYDROXIDE
- INN Name
- calcium hydroxide
- EC Number
- 215-137-3
- Pharmacopoeia Name
- calcii hydroxidum
- Function
- Buffering
From the Clinic
Not sure what your skin actually needs?
Two minutes, a few questions, and we’ll point you at what matters — no guesswork.
Take the skin quizRelated Ingredients
Aminomethyl Propanol
Used to adjust and control the pH of a formulation
Decyloxazolidinone
Functions as a preservative
Disodium Phosphate
“Behind-the-scenes” ingredient commonly used as a buffering agent/pH adjuster
Disteardimonium Hectorite
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Versatile polymer widely used in skin care and makeup
Hypochlorous Acid
Naturally occurring oxidizing ingredient
Learn More About Skincare Ingredients
Explore our comprehensive ingredient glossary to understand what's in your products.
Browse All IngredientsShop Our Products
Find professional skincare solutions at Skintique.