Where Sunscreen Fits When You Use Four Different Serums

Sunscreen goes on last in your morning routine, after serum and moisturiser. It does not belong in an evening routine. With Renoviq’s four-serum line, use NAD+ — Cellular Energy Serum in the morning, followed by moisturiser and sunscreen. Keep GHK-Cu — Copper Tripeptide Firming Serum and RETINAL — Overnight Renewal Serum for the evening. PDRN — Polynucleotide Repair Serum fits in either routine. Apply each water-based serum to clean, dry skin, allow it to settle, then finish your AM routine with sunscreen.

The simple rule: sunscreen is always the final AM step

Sunscreen belongs at the end of a daytime skincare routine. Apply your serums first, follow with moisturiser if you use one, then apply sunscreen as the final skincare layer before makeup. This order keeps your leave-on serum routine straightforward and ensures sunscreen sits evenly across the skin’s surface. Do not mix sunscreen into a serum or moisturiser, and do not apply serum over sunscreen. In the evening, sunscreen has no place in the routine: cleanse it away, then use your chosen PM products. If you use four different serums across the week, the order remains the same every morning. Cleanse, apply your AM serum, moisturise, then apply sunscreen. Keep the routine consistent rather than trying to layer every active product at once.

A practical morning routine with NAD+ and PDRN

For the morning, start with clean, dry skin. Apply NAD+ — Cellular Energy Serum, which is designed for AM use, in a light, even layer. Its featured active is 3% nicotinamide riboside. Allow the serum to settle, then apply moisturiser if it is part of your routine. Finish with sunscreen. PDRN — Polynucleotide Repair Serum is suitable for AM/PM use, so it can also be used in the morning. If you choose both in one routine, apply them in a consistent order after cleansing, then moisturiser and sunscreen. Keep sunscreen as the final layer regardless of which serum comes first. The key point is not to place sunscreen between serums, as that interrupts the simple serum-moisturiser-sunscreen structure.

Keep GHK-Cu and retinal in the evening

Reserve GHK-Cu — Copper Tripeptide Firming Serum for your evening routine, as its listed use is PM. RETINAL — Overnight Renewal Serum is also a PM product and contains 0.1% retinaldehyde. A clear evening schedule makes using four different serums easier: cleanse first, choose the serum or serum combination that suits your established routine, then apply moisturiser if wanted. There is no sunscreen step at night. PDRN — Polynucleotide Repair Serum can be used in this routine because it is listed for AM/PM use. You do not need to force every serum into one application. Splitting the collection between morning and evening keeps the order clear: NAD+ in the AM, GHK-Cu and RETINAL in the PM, and PDRN wherever it best fits your routine.

How to organise four serums without overcomplicating the order

Think in terms of timing before layering. Renoviq’s four serums have defined use periods: NAD+ — Cellular Energy Serum is for AM, GHK-Cu — Copper Tripeptide Firming Serum is for PM, RETINAL — Overnight Renewal Serum is for PM, and PDRN — Polynucleotide Repair Serum works AM/PM. This naturally divides the routine across the day. In the morning, cleanse, use NAD+ or PDRN, moisturise, and apply sunscreen. In the evening, cleanse, use GHK-Cu, RETINAL, or PDRN according to your routine, then moisturise. Introduce products methodically and follow each product’s directions. This approach also makes it easy to identify the role of every step. Sunscreen remains non-negotiably last in the morning, while evening skincare ends with your leave-on products and moisturiser.