Silver Boost Complex
Joanna Silver Boost Complex is a lightweight hair serum designed to add shine and strengthen fragile strands. Fast-absorbing with a non-greasy finish, it suits fine or thinning hair and works well on color-treated locks. Often formulated fragrance-free and vegan, it targets smoothing and manageability while maintaining a sheer, serum-like texture.
Ingredient Safety
No risk2
Low risk20
Moderate risk6
High risk2