SkinAtlas
Ingredient library / Potassium Hydroxide
Other ingredient

Potassium Hydroxide

A strong base used in very small quantities to adjust formula pH; fully reacted/neutralized in finished cosmetic products.

Also known as: koh, caustic potash

ph-adjuster

Benefits

  • ✓Adjusts and stabilizes formula pH
  • ✓Neutralizes acidic ingredients to achieve target pH

Watch for

  • ⚠Caustic at high concentration; used in tiny amounts in finished products where it is fully neutralized
At a glance
CategoryOther
IrritancyLow–moderate
Beginner-friendlyYes
In your routine

Generally well-tolerated and easy to layer.

Found in 55 products
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Products with Potassium Hydroxide

UV Aqua Rich Watery Essence SPF50+ PA++++Sunscreen
Biore
UV Aqua Rich Watery Essence SPF50+ PA++++
Nameraka Honpo Soy Milk Isoflavone Facial FoamCleanser
Sana
Nameraka Honpo Soy Milk Isoflavone Facial Foam
Hydra PD MaskMask
LuLuLun
Hydra PD Mask
Exfoliant
Isntree
Chestnut AHA 8% Clear Toning Liquid
SoonJung 2x Barrier Intensive CreamMoisturizer
ETUDE
SoonJung 2x Barrier Intensive Cream
Pure & Deep Cleansing FoamCleanser
Ma:nyo
Pure & Deep Cleansing Foam