Sometimes you can get free samples of toiletries online, no shipping cost

shampoos
Change the life of your hair with a free sample - L'Oreal Paris

Hair Care & Styling Products for Women & Men - Garnier Fructis

Free Shampoo Samples, Free Conditioner Samples | Woman Freebies

I go online and sometimes look at free sample websites or links. It is amazing what is given away as promotions.

I know, only a short term fix but everything helps.