Kosei is a well-established business with a strong reputation. The company has a wide range of products, including dermatocosmetic, aesthetic, and hairdressing lines, which are sold in various locations such as pharmacies, parapharmacies, medical-aesthetic centers, and hair salons.The business has a clear focus on quality, as evident from the many positive reviews from satisfied customers. Many reviewers praise the effectiveness of Kosei's products, stating that they have seen significant improvements in their skin and hair. The company's products are also commended for their high quality and competitive pricing.However, there are some issues with packaging, as highlighted by one reviewer who mentioned that a product container broke easily and resulted in a loss of product. This is a significant issue, as it affects the customer's experience and trust in the brand.Despite this, Kosei's overall reputation remains strong, and the business has established itself as a trusted provider of high-quality products. The company's commitment to innovation is also evident from its range of products and services, which cater to diverse customer needs.Overall, Kosei is a reputable business with a focus on quality and customer satisfaction. While there may be some room for improvement in terms of packaging, the company's strengths in product quality and pricing make it a reliable choice for customers.