Unfortunately, I can't directly identify the authenticity of specific products, because it requires professional technology and specific data support. But I can give you some advice to help you better identify the authenticity of the Clinique freckle removing essence you bought.

First, you can check the outer packaging of the product. Compare this product bought in Hong Kong with the product you bought at the counter on the outer packaging. Pay attention to labels, words, colors, etc. If there are obvious differences, it may mean that one of them may be a fake.

Secondly, pay attention to the texture and color of the product. You can compare this product bought in Hong Kong with the product you bought at the counter to see if the texture and color of the product are consistent. For example, the matte at the bottom of genuine bottles is thick and shiny, while the matte at the bottom of fake bottles is thin and dull. The real goods are light in color and the fake goods are dark in color.

Finally, you can check the batch number of the product. Although the batch number can't be used as the only criterion for judging counterfeit goods, there may be some differences in texture between different batches of products. You can compare the batch numbers of the products bought in Hong Kong with those you bought at the counter to see if they are consistent.

If you still have questions about the authenticity of the product, you'd better contact Clinique's official customer service directly or go to the counter for consultation. They may ask you to provide more detailed product information, such as packaging boxes, manuals, etc. To help them judge the authenticity of products more accurately. I hope these suggestions can help you!