Fading of color-treated hair - Goldwell, Dualsenses Color 250 ml Dullness and lack of shine in colored hair - Goldwell, Dualsenses Color 250 ml Dryness and damage from chemical treatments - Goldwell, Dualsenses Color 250 ml Difficulty maintaining vibrant hair color over time - Goldwell, Dualsenses Color 250 ml

Scalp irritation and sensitivity - Kristin Ess Extra Gentle 296 ml Dryness and brittleness- Kristin Ess Extra Gentle 296 ml Frizz and lack of shine- Kristin Ess Extra Gentle 296 ml Product buildup and residue- Kristin Ess Extra Gentle 296 ml