How many times should I use conditioner in a week to maintain optimal hair health and vitality? Is there a universally accepted frequency, or does it vary based on individual hair types and conditions? For instance, should those with curly, frizzy hair apply it more often than those with straight strands? If I have color-treated hair, might the need for conditioner shift, prompting me to reconsider my regimen? Furthermore, what role do environmental factors play in the conditioning frequency—does exposure to sun, saltwater, or pollution necessitate more frequent applications? Are there specific signs to look for that indicate a need for additional conditioning sessions, such as excessive dryness or brittleness? Would alternating between deep conditioning treatments and lighter conditioners yield better results? Ultimately, how can I discern the perfect balance that promotes hydration without the risk of buildup? Is it possible that over-conditioning could lead to adverse effects?