Clarins Bright Plus Intensive Brightening Smoothing Serum is a very light, easily absorbed serum. The serum is enriched with plant extracts in particular Sea Lily and has a fresh botanical fragrance. I do not think my dark spots have lightened but my skin does seem to appear brighter whilst fine lines and pores seem smoother and less pronounced. Clarins Bright Plus Intensive Brightening Smoothing Serum is reasonably priced as I consider it a luxury brand of excellent quality. It is surprising how little one needs per application thus a 30 ml bottle will last quite a while. If the budget allows I would definitely repurchase this product and recommend it to be used in conjunction with Clarins Bright Plus Brightening Repairing Night Cream.