Tired of thin, fine or flat hair? Enter the DALLAS Biotin collection, and namely this thickening conditioner that will give your locks a new lease of life.

Get your 'oomph' back with R+CO's DALLAS Biotin Thickening Conditioner (250ml). This vitamin- and mineral-rich formula is jam-packed with biotin, pro vitamin B5 and coconut oil to provide lightweight hydration while also enhancing lustre, shine and silky-softness. Its hero ingredient, biotin, also works to improve the keratin infrastructure of hair to boost its strength and vitality. In other words (or those of the brand itself), if you want locks as big as Texas, make this your go-to.