Davines Boucle Perms do not damage further lifeless or treated hair and provide an even styling. No risk of over processing. It needs no heat source or cap during the waving fluid processing. The presence of cysteamine as reducing agent makes the product extremely delicate giving a natural waving effect; it is specially suitable for treated and damaged hair. Available in two formulas: No. 1: For natural & coarse hair No. 2: For treated & thin hair