- Perm Straightener Agent 1 (Thioglycolate) with Cold Two-Bath System Using a High-Temperature Hair Iron
- Formulated with thermal denaturation suppression ingredient: Hydroxyproline*
*Hair protecting ingredient
Selection
Guide to selecting Agent 1
1 Selection and application of Agent 1 which is used on areas with no previous straightening
2 On previously straightened areas, S is used regardless of hair type or damage level.
Diagnosis
Guide to hair diagnosis
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