R+Co DALLAS Biotin Thickening Shampoo targets fine, thinning hair with a lightweight lather that lifts and adds body. Biotin-enriched and formulated for daily use, it clarifies without heavy residue and rinses clean. Texture is silky-foaming, making it suitable for those who want thicker-looking strands and improved manageability.
Ingredient Safety
No risk2
Low risk31
Moderate risk6