look at that photo, was that texture not changed?
as an example left is a healthy hair right damaged from backcombing
chemicals can break down the structural integrity
1 bleaching isn't a death sentence (usually) but is a risk
color treating dreads also is tricky as you don't want the chemicals staying actyivated within the dread
the absolute worse damage i ever saw was a dread perm done over way over bleached hair. the hair was already in horrible shape from the bleaching, the dread perms are often used by locticians to "damage the f__k out of it cause its too healthy to dread' (a lie since healthy hair dreads great)
after this girl had the dread perm done over bvery bleached hair almost all her hair fell out, leaving 3 or 4 dread like blobs dangling from a few remaining hairs..total distaster
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My new book Ban The Taboo Vol 1