The cost of developing a skincare product can vary significantly depending on various factors such as the complexity of the formulation, the desired quality of ingredients, packaging, manufacturing processes, and regulatory requirements. Generally, the cost includes research and development, ingredient sourcing, formulation development, stability testing, packaging design, manufacturing, quality control, and regulatory compliance.

To give you a rough estimate, the development of a basic skincare product can range from a few thousand dollars to tens of thousands of dollars. However, more complex formulations or products with unique ingredients or claims may require a higher investment. It's important to note that ongoing costs such as marketing, distribution, and product testing should also be considered.

It is advisable to consult with industry professionals, such as cosmetic chemists or contract manufacturers, to get a more accurate estimate based on your specific product requirements and goals.