This shampoo made my hair frizzy and dull m

This shampoo/conditioner duo I got on sale at rite aid... seemed like a great deal only spent like 1.50 on each one... it’s usually 6.99... after using it for a few weeks I noticed my bleached and damaged hair looked frizzy and dry... and got knotted up easier... my daughter started complaining of horrible itching... and when I checked I saw very dry, flaky patches in her scalp... I ran and bought a dry scalp relief shampoo from another brand... and she has been saying it doesn’t itch anymore... it almost looked like chemical burns... I have thrown it away and will not buy it again... my family had very sensitive skin...