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Sodium Hydroxide (Caustic Soda) Add to my portfolio
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INCI Name
Sodium hydroxide
English name
Sodium Hydroxide (Caustic Soda)
CAS No.
1310-73-2
CE No.
215-185-5

Origins

  • Synthetic

CosIng functions

  1. Buffering Agent
  2. Denaturant

Regulation

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.

Knowledge to date

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