INCI name : Sodium hydroxide

OTHER NAMES ON THE LABEL

Sodium hydroxide, Sodium hydroxyd, Sodium hydroxyde, Sodium hydroxyde (Traces de soude extraite de sel marin)

KNOWN DATA TO-DATE

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REGULATORY DATA

Nail cuticle solvent
Maximum concentration in ready for use preparation (finished cosmetic product)
• 5% in weight (as Sodium hydroxide).
Wording of conditions of use and warnings
• Contains alkali. Avoid contact with eyes. Can cause blindness. Keep out of reach of children.

Hair straightener
- General use
Maximum concentration in ready for use preparation (finished cosmetic product)
• 2% in weight (as Sodium hydroxide).
Wording of conditions of use and warnings
• Contains alkali. Avoid contact with eyes. Can cause blindness. Keep out of reach of children.

- Professional use
Maximum concentration in ready for use preparation (finished cosmetic product)
• 4.5% in weight (as Sodium hydroxide).
Wording of conditions of use and warnings
• For professional use only. Avoid contact with eyes. Can cause blindness.

pH adjuster for depilatories
Restrictions
• pH <12,7.
Wording of conditions of use and warnigs
• Keep out of reach of children. Avoid contact with eyes.

Other uses as pH adjuster
Restrictions
• pH < 11.