Well I am approaching 50 and never really worried about aging skin until now. Also my skin has always been very uneven in tone. I've tried products with HQ and gotten irritation and had to stop. My skin is very sensitive and even the smallest blemish leaves a black mark. This has always been embarrassing for me.
I would've suggested Retin-A for your uneven skin tones and wrinkles if you have any but since you have really sensitive skin, you would probably be better off with a Retinol product or differin. Skinceuticals and RoC has excellent, researched and award winning retinol products that you can use nightly for your uneven skin tone. You need a good European sunblock with Mexoryl SX, Mexoryl XL, Parsol, Tinosorb, with a 50+ spf to furthur protect skin from damage, examples are La Roche Posay, Bioderma Photoderm Max, Avene Emulsion. For the best antiaging moisturizer, try Xtend Life from xtend-life.com, many people here including myself have been using this with great success. Try all of these and if it still doesnt improve then add Vitamin C L-Ascorbic Acid serum of 10-20% concentration to your morning regimen and you will see results.