Sodium Metaphosphate

Also known as: sodium-metaphosphate

SOD

2/10

Concern level

Low concern

Sodium metaphosphate is a salt of metaphosphoric acid, used as a buffering agent and stabilizer in cosmetic formulations. It helps to maintain pH balance.

Pore-clogging

Non-comedogenic

Pregnancy

Safe

EWG Score

1/10

Regulatory

No data

Chemical Properties

Molecular Weight

163.94 g/mol

pH Range

5.00 - 7.00

Typical Concentration

0.10% - 1.00%

CAS Number: 7758-88-5

Skin Type Compatibility

dry skin6/10

oily skin7/10

sensitive skin5/10

acne prone6/10

mature skin6/10

normal skin6/10

Risks & Warnings

Generally safe; may cause mild irritation in sensitive individuals.

Vegan Cruelty-Free

Found In Products

innisfree

Green Tea Enzyme 7% PHA Gentle Exfoliating Toner

AESTURA

A-CICA365 Cooling Relief Toner Pads pH4.5 with Centella Asiatica + Hyaluronic Acid for Redness

innisfree

Retinol Green Tea PDRN™ Toner for Smoothing & Firming

LANEIGE

Bouncy & Firm Eye Brightening Sleeping Mask with Peony + Collagen Complex™

AESTURA

ATOBARRIER365 Hydro CERA-HA Ceramide + Hyaluronic Acid Face Serum for Skin Moisture Barrier Repair

Hanyul

Yuja Brightening 2-in-1 Mask to Foam Cleanser with Vitamin C + Niacinamide

innisfree

Sulfate-Free Green Tea Amino Acid Cleansing Foam

IOPE

XMD Stem III Clinical Recovery Essence Toner for Hydration

Sulwhasoo

Essential Revitalizing Water

innisfree

Green Tea Ceramide Refillable Korean Milk Toner for Hydration & Barrier Repair

innisfree

Mini Green Tea Ceramide Milk Toner for Hydration & Barrier Repair

AESTURA