I have dark spots and I need product recommendations.

first thing first, what's products you've been tried? Then, you should always use moisturizer that really works for your dry skin, don't forget to use sunscreen and always reapplied. Maybe you can try some products that contain ascorbic acid (vitamin c)/niacinamide/alpha arbutin, this active ingredients has highly antioxidants and brightening agents. also you can try to use retinol and exfoliate regularly

So these are the products I use in my routine that helps lighting my dark spots other than sunscreen.

you should try this