Urea + Allantoin Hair Smoothness
The Doctor Urea + Allantoin Hair Smoothness is a lightweight serum designed to tame frizz and add slip for easier styling. Silky in texture and quick-absorbing, it suits dry, textured, or chemically treated hair seeking smoothing and manageability. Fragrance-free and non-greasy, the formula works well for those who prefer gentle, utilitarian haircare without heavy residue.
Ingredient Safety
No risk3
Low risk13
Moderate risk3