"I take hair and nail vitamins. I just started using a thickening shampoo. I have tried three other spray-in hair thickeners and this is the only one that has truly made my hair feel fuller.

"I take hair and nail vitamins. I just started using a thickening shampoo. I have tried three other spray-in hair thickeners and this is the only one that has truly made my hair feel fuller.

So when Real Housewives of Beverly Hills star Kyle Richards sang the praises of Nexxus Unbreakable Care Root Lift Hair Thickening Spray, we took note — and we're glad we did because it's just $12.

My next thought was a thickening and volumising spray (always a good idea if you have fine or thinning hair) and I trialled one or two brands before arriving at the one that made the cut for this ...