Philip Kingsley's Density Hair Thickening Shampoo (£30 ... while 25% noticed increased volume after one use. The shampoo cleanses the scalp, strengthens strands, and adds long-lasting fullness ...

Related story There’s a Collector’s Edition of Wicked With Stained Edges & Is on Major Sale for 40% The hair thickening shampoo we’re talking about is John Frieda’s ULTRAfiller+ Thickening ...