Mega Sleek
An editor’s take on Matrix Mega Sleek hair serum: a lightweight, non-greasy serum that smooths frizz and adds shine without weighing hair down. Best suited for frizz-prone, dry, or heat-styled hair, it’s presented in formats that include fragrance-free and vegan options for those seeking gentler routines.
Ingredient Safety
No risk2
Low risk8
Moderate risk4