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This is a strong alkaline compound used in hair waving products, particularly relaxers, to break down the hair's structure and straighten it. It also functions as a pH adjuster to control the acidity or alkalinity of a product.
May aggravate
Safety summary
Lithium hydroxide is a strong irritant and corrosive substance in concentrated forms. In hair relaxers, it must be used with extreme caution and by professionals, as improper use can cause severe scalp burns and hair damage.
Maximum concentration
Typically used at up to 2% in cosmetic formulations.
CAS Number
1310-65-2
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.