Is Bleaching Hair A Chemical Change

Is the change in your hair chemical or physical? 3

This is the surest chemical here.

Bleach is used to lighten hair. Bleach reacts with hair melanin and removes color in irreversible chemical reactions. Bleach oxidizes melanin molecules. Melanin is still present, but the oxidized molecule is colorless. However, bleached hair is light yellow in color. Yellow is the natural color of keratin, the structural protein of hair. Also, bleach reacts more easily with black lubricant eumelanin than fumelamine, so some rust or gold may remain after rinsing. One of the most common illuminators is hydrogen oxide. Pxid is used in an alkaline solution that opens the hair shaft so that pxid can react with melanin.

Is Bleaching Hair A Chemical Change

Chemically!
After bleaching, you will never regain your previous color.
It may return to its original state after a physical change, but it does not meet the definition of a chemical change.
It must be a chemical, there is no way to break it unless you remove it with a certain color. You have seen that bleach penetrates into the hair and removes the colored cells or whatever it is called, it does not stain the hair color, e.g.
Color change indicates chemical change.
Chemistry, you change colors.