A lightweight hair serum from Mark Birch Trichologist, TR2 smooths flyaways and adds controlled shine without heaviness. Silky in texture and fast-absorbing, it suits fine to medium hair types seeking frizz control and manageability. Fragrance-free and vegan-friendly, TR2 works well for sensitive scalps and daily styling routines.
Ingredient Safety
No risk1
Low risk2
Moderate risk4