R+Co's DALLAS Biotin Thickening Shampoo is a biotin-enriched volumizing shampoo that adds body and thickness to fine or thinning hair. It creates a rich, cushiony lather that rinses clean without heavy residue. Suitable for everyday use, the formula is aimed at those seeking fuller-looking hair and improved manageability.
Ingredient Safety
No risk2
Low risk31
Moderate risk6