"When sodium or calcium hydroxide relaxers are applied, they break down the disulfide bonds, these are chemical bonds that hold the hair's protein structure together and contribute to its natural ...

Lye Relaxers contain stronger concentrations of a chemical ingredient called sodium hydroxide, which breaks down the curl pattern in individual hair bonds to permanently straighten strands.

Relaxers often contain sodium hydroxide or calcium hydroxide, which strips the hair of its natural moisture, leaving it brittle and prone to breakage. Over time, repeated applications can lead to ...