Femke. Cosmetologist. Amsterdam. Femke is a skin care specialist who begins each treatment with a thorough skin analysis. She tailors facials and product routines to each client's specific skin needs. Cosmetologist. Amsterdam. Femke is a skin care specialist who begins each treatment with a thorough skin analysis. She tailors facials and product routines to each client's specific skin needs. Cosmetologist. Amsterdam. Femke is a skin care specialist who begins each treatment with a thorough skin analysis. She tailors facials and product routines to each client's specific skin needs.