Yes, niacinamide and sunscreen work beautifully together. Learn the correct order to layer them, why the pairing calms and protects skin, and how to build a simple 2026 routine.

Sunscreen only works if you apply it in the right order. Here's exactly where SPF fits with your vitamin C, moisturizer, and retinol — morning and night.

Where does SPF go in your routine, before or after moisturizer, primer, and makeup? Here is the dermatologist-approved order to layer sunscreen so your protection actually works, plus the timing mistakes that quietly cancel it out.