If you use high-concentration vitamin C or potent exfoliating acids, apply them at a different time of day
Conditioner: Aqua, Cetearyl Alcohol, Dimethicone, Glycerin, Trideceth-12, Behentrimonium Chloride, Steartrimonium Chloride,Cetrimonium Chloride, Argania Spinosa Kernel Oil, Hydrolyzed Keratin, PEG-20 Stearate, Caffeine, SaussureaInvolucrata Extract, Sapindus Mukorossi Fruit Extract, Vitis Vinifera (Grape) Seed Oil, Polygonum MultiflorumRoot Extract, Biotin, Copper Tripeptide-1, Panthenol, Serine, Keratin Amino Acids, Tocopherol, GuarHydroxypropyltrimonium Chloride, Hydroxyethylcellulose, 1,2-Hexanediol, Hydroxyacetophenone, Aroma*
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Its structure is a continuous escalation-then-maintenance arc: Initiation phase (weeks 14): 2.5 mg weekly