Science
Why every man needs a serum
Moisturiser maintains. Serum changes. Here's what the difference looks like.

A moisturiser is a barrier repair tool. A serum is a targeted delivery system for active ingredients at higher concentrations. If you want your skin to actually look different in a month, you need both — but the serum is where the shift happens.
What Facial Serum — 99 Man Problems targets
Plant stem cells, peptides and plant-derived PDRN work on texture, tone and the visible signs of ageing. It's formulated to be tolerated daily, which matters because consistency is what makes actives work.
How to layer it
Apply to clean, damp skin before moisturiser. The water helps absorption, and the moisturiser seals the actives in. Oily skin? Use Light Facial Moisturiser over the top. Dry or weathered? Go with Hydrating Facial Moisturiser.





