After noting a slight blemish on my face (from too much sun exposure) I eventually opted for the
Blanc de la Mer The Brightening Essence Intense, at first the marks seemed to fade away slowly - but then, seemingly overnight, it improved dramatically! I am really happy with the remarkable results!

However, it doesn't matter which product one uses on one's skin (even fabulous La Mer) for brightening and toning spots, continued exposure to the sun will trigger the return of blemishes.
That's one of the main reasons I sport 'sun screen' - La Mer's
The Reparative Face Sun Lotion SPF 30 High, which I give an overall
UVA & UVB Protection
I noted that one gets broad spectrum UVA/UVB protection, so I asked myself; "What's the difference between UVA & UVB protection?", which gets perfectly described by
Jen Adkins on
About.com;