multilayer serum skin breakouts
5-Layer Serum Trend vs Skincare Routine: Which Wins?
The five-layer serum craze often looks impressive, but a streamlined five-product routine delivers more consistent results for most skin types. A staggering 1 in 5 people notice breakouts the moment they mix five serums - learn why less can be more. Best Simple Skincare Routine: The Five-Product Blueprint Key Takeaways