Toning – these treatments are for dyed hair and may help to neutralise warm or brassy tones, reinvigorate colour vibrancy, and add gloss. For those with ruined hair the included collagen, "is assumed that will help appropriate for imperfections inside the hair shaft to boost its physical appearance and texture," https://zionohoao.getblogs.net/64064846/a-review-of-brazilian-botox-hair-treatment