My favorite shampoos for fine wavy hair, but these are also great shampoos for straight hair as well. Hair care / fine hair / wavy hair / shampoo / volume / sulfate-free / collagen / clarifying / buildup / gentle cleansing / hydration / scalp care / scalp health / shampoos / shampoos for FINE hair / shampoo for wavy hair LTKbeauty LTKfindsunder50