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Cosmetic ingredient (INCI)

Lactic Acid

Used in cosmetic products as buffering, humectant and skin conditioning. Propanoic acid, 2-hydroxy-.

The chemical behind this ingredient

Structure, properties, safety data and price information live on the chemical page.

Lactic acid chemical structure, C3H6O3, CAS 50-21-5
Lactic acid
CAS 50-21-5C3H6O3
440 suppliers
Lactic acid

IUPAC name: 2-hydroxypropanoic acid

  • 2D structure and identifiers
  • Measured and computed properties
  • GHS safety summary
  • Suppliers, prices and trade data

Lactic Acid suppliers

Companies with live listings for the linked chemical. Paid members appear first.

Frequently asked questions

What is Lactic Acid used for in cosmetics?

Lactic Acid is used in cosmetic products as buffering, humectant and skin conditioning. Propanoic acid, 2-hydroxy-.

Is Lactic Acid restricted in cosmetics in the EU?

No EU restriction annex is recorded for Lactic Acid in our records. Rules change and differ by market, so always check the current regulation before you formulate.

What is the CAS number of Lactic Acid?

Lactic Acid is listed with CAS number 50-21-5 and EC number 200-018-0.

Where can I buy Lactic Acid?

8 suppliers list Lactic acid on CompoundList. Compare them below or post a buy request with your grade and quantity.