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Calcium hydroxide
English name
Calcium Hydroxide
CE No.


  • Synthetic

CosIng functions

  1. Buffering Agent


Hair straighteners containing two components: calcium hydroxide and a guanidine salt
Maximum concentration in ready for use preparation (finished cosmetic produc)
7% (as calcium hydroxide).
Wording of conditions of use and warnigs
Contains alkali. Avoid contact with eyes. Keep out of reach of children. Can cause blindness.

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

Other uses (e.g. pH adjuster, processing aid)
pH < 11.

Knowledge to date

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