Mierijn. Hairdresser. Amsterdam. Mierijn is a top stylist specializing in signature cuts and bespoke coloring, tailoring each look to the client's hair and lifestyle. Hairdresser. Amsterdam. Mierijn is a top stylist specializing in signature cuts and bespoke coloring, tailoring each look to the client's hair and lifestyle. Hairdresser. Amsterdam. Mierijn is a top stylist specializing in signature cuts and bespoke coloring, tailoring each look to the client's hair and lifestyle.